asks ss to revise the form and use of the simple past tense

The form and use of the imperative

The form and use of the imperative

Ngày tải lên : 30/08/2016, 10:53
... love her • Please, come to the party • Have a drink To invite Use of the emphatic with the imperative You can use 'do' before the imperative to emphasize what you want to say: Example: • Do write ... emphasize what you want to say: Example: • Do write down your name • Do think of our offer Related page Exercise: the imperative ...
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The Simple Past Tense and The Past Continuous Tense

The Simple Past Tense and The Past Continuous Tense

Ngày tải lên : 30/10/2013, 14:11
... 4 The past continuous tense : ( khứ tiếp diễn ) _ Formation : ( công thức ) S + was / were + V-ing S + wasn’t / weren’t + ... điểm cụ thể khứ e.g : I was phoning Tom at : 00 _ I phoned Tom at :00 _ + Một hành động diễn suốt khoảng thời khứ e.g : Yesterday morning, from :00 to 11 : 00 she was reading in her room ... :00 to 11 : 00 she was reading in her room + Hành động xảy lúc khứ e.g : While I was watching TV, ther were playing football outside (1) (1) + Một hành động diễn khứ, bị hành động khác cắt ngang...
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The simple past tense

The simple past tense

Ngày tải lên : 21/04/2016, 14:08
... _ in factory a year ago What they(do) yesterday? Thay(chat) _with their brother She(do) her homework last night? Yes, she I(see) that film two months ago Nina(come) _ to the park ... Exercise ( chia dạng động từ ngoặc ) I ( not/go) to work yesterday beacause I ( not/be) very well Na’s father(teach) _ him how to drive when he was 17 you(play) volleyball with ... động từ tận “e” ta them ‘d’ 2/ tận phụ âm ‘y’ ta phải biến ‘y’ thành ‘I’ them ‘ed’ 3/ động từ phát âm âm tiết mà tận nguyên âm phụ âm ( ngoại trừ w,x,y ) ta phải gấp đôi phụ âm them ‘ed’ IV/ Exercise...
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2337 the simple past tense

2337 the simple past tense

Ngày tải lên : 25/08/2016, 17:32
... tasted looked - thought drank - forgot caught saw played - didn’t play found 10 had 11 didn’t understand - held 12 fell 13 hit 14 didn’t catch 15 dived 16 didn’t put 17 rolled 18 taught 19 needed 20...
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guide to the selection and use of hydraulic cements

guide to the selection and use of hydraulic cements

Ngày tải lên : 24/10/2014, 16:03
... to produce the desired results increases with increases in the C3A, the alkali content, and the fineness of the cement The alkali content of the cement, the amount 225R-9 and form of SO3 in the ... reactions proceed The actual rates of the reactions and the nature and amounts of the phases formed depend on the specific compositions and fineness of the cements; they also depend on the temperature, ... elasticity of concrete is a function of the modulus of elasticity of the cement paste (that forms the continuous matrix of concrete), the modulus of elasticity of the aggregate (the particles of which...
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A study on the teachers' application of task-based method and the 10th form students' use of learning strategies in their listening lessons at Tran Phu High Sch

A study on the teachers' application of task-based method and the 10th form students' use of learning strategies in their listening lessons at Tran Phu High Sch

Ngày tải lên : 28/03/2015, 08:50
... effective use of the former can be said to use top-down processing On the contrary, those who make use of the latter are using the bottom-up processing and are forced to determined the meaning of individual ... text, they usually stopped listening and failed to be aware of their inattention or to try to redirect their attention to the oral text Effective listeners, nevertheless, use top-down processing and ... read the listening texts, and glance at the answers of the tasks in advance B Read the listening section in the textbook, guess the content of the listening text, look at the demand of the tasks...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx

Ngày tải lên : 15/12/2013, 00:15
... permission of the copyright owner Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Information Division, Food and ... been possible in recent years through the development and use of a succession of live food organisms as feed for the developing larvae The aim of the present manual was therefore to review and summarise ... Division, to help meet the needs of aquaculture workers of Member Countries for the synthesis of information in the field of aquaculture nutrition The editors would like to thank James de Caluwe,...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc

Ngày tải lên : 15/12/2013, 00:15
... coagulate and precipitate to the bottom or float to the surface Recovery of the algal biomass is then accomplished by, respectively, siphoning off the supernatant or skimming cells off the surface ... series of stocks are often retained, one which supplies the starter cultures for the production system and the other which is only subjected to the handling necessary for maintenance Stock cultures ... disadvantage is the need to prevent contamination during the initial inoculation and early growth period Because the density of the desired phytoplankton is low and the concentration of nutrients...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt

Ngày tải lên : 15/12/2013, 00:15
... survived the passage of the intestinal tract of the rotifers are killed as well The concentration of the disinfection products differs according to their toxicity and the initial condition of the ... water prior to feeding, which facilitates on one hand the possibilities for automatic feeding but on the other hand requires the use of aeration and cold storage The following standard culture ... to the culture medium of bakers yeast) which ensured a high level of (n-3) essential fatty acids in the rotifers (Watanabe et al., 1983) The necessity of adding the component in the food of the...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx

Ngày tải lên : 15/12/2013, 00:15
... mode of reproduction to the other The cysts usually float in the high salinity waters and are blown ashore where they accumulate and dry As a result of this dehydration process the diapause mechanism ... differentiated on the basis of their biometrical characteristics In spite of small variations between batches of the same strain, possibly caused by environmental and/ or processing factors, generally the cyst ... seawater, they cannot migrate from one saline biotope to another via the seas, as they depend on their physiological adaptations to high salinity to avoid predation and competition with other filter...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx

Ngày tải lên : 15/12/2013, 00:15
... Hatchability of cysts is largely determined by the conditions and techniques applied for harvesting, cleaning, drying and storing of the cyst material The impact of most of these processes can be ... for the onset of the hatching process, related to light intensity and/ or exposure time As a result of the metabolic characteristics of hydrated cysts, a number of recommendations can be formulated ... Moreover, since they lose their hatchability when exposed to UV light it is advised to store them protected from direct sunlight 4.2.4 Direct use of decapsulated cysts The direct use of Artemia cysts,...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx

Ngày tải lên : 15/12/2013, 00:15
... tank (use of cover) and focusing a light source on the transparent conical part of the bottom Nauplii should not be allowed to settle for too long (i.e., maximum to 10 min.) in the point of the ... proven to be more effective and safer for the environment In this respect the possibility of loading Artemia nauplii with doses of up to 300 µg.g-1 DW of the therapeutic mixture Trimetoprim: ... accumulating at the bottom of the tank where they would suffocate In this way nauplii can be stored for periods up to more than 24 h without significant mortalities and a reduction of energy of less than...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx

Ngày tải lên : 15/12/2013, 00:15
... When the aeration in the culture tank together with the flow-through and the automatic feeding are interrupted, oxygen levels in the water drop very fast and all waste particles sink to the bottom; ... Various factors may influence the feeding behavior of Artemia by affecting the filtration rate, ingestion rate and/ or assimilation: including the quality and quantity of the food offered, the developmental ... digest exogenous microflora as part of the diet Bacteria and protozoans which develop easily in the Artemia cultures are able to biosynthesize essential nutrients as they use the supplied brine...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx

Ngày tải lên : 15/12/2013, 00:15
... discharge of the humid air Baffles are often used to improve mixing of the cysts However, it is better to fit a strong brush to the inside of the drum which rotates in the opposite direction of the ... soils, often found in mangrove areas When exposed to the air, the pyrite of these soils oxidizes to form sulfuric acid Of course liming of these soils is possible However, the quantities of lime ... the acidity of the bottom The use of organic fertilizers increases the risk of infections This risk can be reduced by composting the manure before use One of the main disadvantages of organic...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx

Ngày tải lên : 15/12/2013, 00:15
... effective and rapid the filtration Hence, the upper limit of the dimensions of the nets depends on the ease of handling rather than anything else The effectiveness of filtering is also influenced by the ... series of sieves The stainless-steel mesh of the sieves and primary screen can be changed according to the requirements of the target species The graded and concentrated zooplankton is stored ... gates The amount of zooplankton collected depends on the zooplankton concentration in the water flowing out of the reservoir and on the volume of the water leaving the reservoir Again, the nets...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx

Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx

Ngày tải lên : 15/12/2013, 00:15
... near the anus and may be modified into a copulatory organ The male clasps the female with the first antennae and inserts the copulatory processes into the single, median female gonopore The fertilized ... particles from the water The efficiency of the filter allows even the uptake of bacteria (approx 1µm) In a study on the food quality of freshwater phytoplankton for the production of cladocerans, ... of 0.2 kg lime powder per ton soil After this the pond is then filled with water up to 15 cm Poultry manure is added to the ponds on the 4th day at a rate of 0.4 kg.m-3 to promote phytoplankton...
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Tài liệu CONVENTION ON THE PROTECTION AND USE OF TRANSBOUNDARY WATERCOURSES AND INTERNATIONAL LAKES doc

Tài liệu CONVENTION ON THE PROTECTION AND USE OF TRANSBOUNDARY WATERCOURSES AND INTERNATIONAL LAKES doc

Ngày tải lên : 18/02/2014, 04:20
... information and education to the public and to users about the environmental consequences of the choice of particular activities and products, their use and ultimate disposal; (b) The development and ... functions: (a) The convening and preparing of meetings of the Parties; (b) The transmission to the Parties of reports and other information received in accordance with the provisions of this Convention; ... two months of the appointment of the second arbitrator, the Executive Secretary of the Economic Commission for Europe shall, at the request of either party to the dispute, designate the president...
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Tài liệu Ownership of Mutual Funds, Shareholder Sentiment, and Use of the Internet, 2011 pdf

Tài liệu Ownership of Mutual Funds, Shareholder Sentiment, and Use of the Internet, 2011 pdf

Ngày tải lên : 19/02/2014, 09:20
... telephone with the member of the household who was the sole or co-decisionmaker most knowledgeable about the household’s savings and investments The standard error for the 2011 sample of households ... Owners’ Daily Use of the Internet Percentage of mutual fund–owning households with Internet access, 2011 Frequency of use1 Household had Internet access Never in the past 12 months or less than once ... discussion of reasons mutual fund investors use professional financial advisers, see Leonard-Chambers and Bogdan 2007 and Schrass 2008 17 See Bogdan, Sabelhaus, and Schrass 2010 18 Other ICI household...
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