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Using since and for

TChon 14 PRESENT PERFECT WITH SINCE AND FOR.doc

TChon 14 PRESENT PERFECT WITH SINCE AND FOR.doc

... had running water, gas and electricity but for some reasons, there was no electricity light in the kitchen It was some thing quite unexpected: a house with electricity but without a kitchen light ... ………………………………… math at this school in 1986 VI Complete the dialogue between you and Lan: Lan: Would you like to go to the movie with me? You: Lan: What a pity! How about tomorrow night? ... VII Read the passage and answer the following questions: We moved into our new house on a warm September day It was not really a new house It was a hundred and four years old, but it was...
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Tài liệu ngữ pháp tiếng anh   present perfect  since and for

Tài liệu ngữ pháp tiếng anh present perfect since and for

... for three decades have used Gates’s software future Since and For Since and For Note the difference between since and for since + point in time for + length of time five o’clock yesterday last ... been see – seen read – read Present Perfect Present Perfect Use the present perfect to talk about something that began in the past and continues into the present (and may continue into the future) ... future) Bill Gates has been CEO of Microsoft since 1975 since 1975 now past future has been CEO 1975 Using Since Using Since Use the present perfect with since + point in time to show when something...
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Tài liệu Chapter 9 Using Telephone and Cable Networks for Data Transmission pptx

Tài liệu Chapter 9 Using Telephone and Cable Networks for Data Transmission pptx

... Standards 9. 10 Figure 9. 6 Telephone line bandwidth 9. 11 Note Modem stands for modulator/demodulator 9. 12 Figure 9. 7 Modulation/demodulation 9. 13 Figure 9. 8 The V.32 and V.32bis constellation and ... line 9. 19 Figure 9. 10 Discrete multitone technique 9. 20 Figure 9. 11 Bandwidth division in ADSL 9. 21 Figure 9. 12 ADSL modem 9. 22 Figure 9. 13 DSLAM 9. 23 Table 9. 2 Summary of DSL technologies 9. 24 9- 4 ... signaling by another 9. 7 Figure 9. 4 Data transfer and signaling networks 9. 8 Figure 9. 5 Layers in SS7 9. 9 9- 2 DIAL-UP MODEMS Traditional telephone lines can carry frequencies between 300 and 3300 Hz,...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Learning with Unlabeled Data for Text Categorization Using Bootstrapping and Feature Projection Techniques" doc

... two approaches using unlabeled data in text categorization; one approach combines unlabeled data and labeled data, and the other approach uses the clustering technique for text categorization ... to Classify Text from Labeled and Unlabeled Documents, In Proc of AAAI-98 K P Nigam, 2001, Using Unlabeled Data to Improve Text Classification, The dissertation for the degree of Doctor of Philosophy ... conclusions and future works Related Works In general, related approaches for using unlabeled data in text categorization have two directions; One builds classifiers from a combination of labeled and unlabeled...
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Báo cáo khoa học:

Báo cáo khoa học: "A Method for Relating Multiple Newspaper Articles by Using Graphs, and Its Application to Webcasting" pptx

... words for the articles These words show new information in the article, and make it easy to understand t h e content of the articles If a word in an article appears in the differentia words for its ... the story of the articles For example, the word "state" is the differentia word for dT, and is in its adjacent articles ds, dg, anddlo This means that d7 is a starting point of the new topic ... existence of a topic In V, for a particular topic, the in-degrees of related nodes {dT, ds, dg, dl0} is a cycle for the topic "statement." increase, since these articles are connected to each By recognizing...
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Using Online Learning for At-Risk Students and Credit Recovery ppt

Using Online Learning for At-Risk Students and Credit Recovery ppt

... in Florida Using Online Learning for At-Risk Students and Credit Recovery Unlike many online programs for credit recovery or at-risk students that use mostly (or entirely) a blended learning approach, ... underway Using Online Learning for At-Risk Students and Credit Recovery Online learning programs are designed to expand high-quality educational opportunities and to meet the needs of diverse students ... 2008: „„ Blended Learning: The Convergence of Online and Face-To-Face Education „„ Using Online Learning for Credit Recovery and At-Risk Students „„ Oversight and Management of Online Programs:...
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Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application

Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application

... characteristics of the fabricated SiNWs solar cell under dark and light conditions the thickness of Si base substrate more thinly For improvement of conversion efficiency of the SiNWs solar cells, the ... performance Therefore, further reduction of the reflectance will be expected from the optimization of the synthesis conditions of SiNWs For analysis of the electrical properties, the I–V curve of the fabricated ... difference of the reflectance might be the effect of synthesis conditions, such as thickness of metal film and SiH4 gas flow The reduction of reflectance is very helpful to improve the solar cell performance...
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Báo cáo khoa học:

Báo cáo khoa học: "Using Leading Text for News Summaries: Evaluation Results and Implications for Commercial Summarization Applications" ppt

... creating summaries for news documents However, those results also raised questions about leading text We wanted to better understand the value of leading texts as general purpose news document summaries ... suggested for leading text, and to determine whether there are easily definable indicators of where leading text extracts fare poorly as general purpose news document summaries 1365 an evaluation ... (general news, which includes standard news articles, graphics, editorials, LEAD=BODY, letters/Q&A columns, and music and book reviews; lists; newsbriefs; and television program transcripts) • Results...
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Báo cáo khoa học:

Báo cáo khoa học: "Using Parse Features for Preposition Selection and Error Detection" ppt

... the Stanford parser for this phrase 3.2 Parse Features To augment the above model we experimented with 14 features divided among five main classes Table shows the features and their values for our ... use of the Xerox Incremental Parser in their preposition error detection system They split the input sentence into the chunks before and after the preposition, and parse both chunks separately ... on lexical features (the verb before the preposition, the noun between the verb and the preposition, if any, and the noun after the preposition) to a classifier trained on attachment features which...
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Báo cáo khoa học:

Báo cáo khoa học: "Expansion of Multi-Word Terms for Indexing and Retrieval Using Morphology and Syntax" pdf

... Simple indexing Rich indexing: Simple indexing improved with the extraction of variants of multi-word terms Comp Coor Table 3: Evaluation of Simple vs Rich Indexing Simple indexing: Extraction of ... this process for coordination For this example, we restrict transformations to terms with N P N structures which represent a full 33% of the binary terms Examples of metarules of Type and Type variations ... controlled indexing on multi-word terms must consider the numerous forms of term variations (Dunham, Pacak, and Pratt, 1978; Sparck Jones and Tait, 1984; Jacquemin, 1996) Variation in Multi-Word Terms: ...
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Dự án nông nghiệp

Dự án nông nghiệp " Improvement of Vietnamese vegetable production using GAP principles for seed and seedling production and superior hybrid varieties " MS2 docx

... Information Project Name Improvement of Vietnamese vegetable production using GAP principles for seed and seedling production and superior hybrid varieties Vietnamese Institution Fruit and Vegetable ... Project Title: Improvement of Vietnamese vegetable seed and seedling production using GAP principles and superior hybrid varieties Vietnamese Implementing Institution: Fruit and Vegetable Research ... for seed financial and seedling production information aligned to GAP principles where possible seedling production and (for farmers IPDM, record keeping Enhanced and health & safety) capacity of...
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