... States and
Japan, as well as other countries, continue to develop more advanced robots. Robots can now
be made to perform more complex jobs. Robots can make decisions while they are working
and ... desert sand from
spreading. Mauritania planted a similar wall around Nouakchott, the capital. Iran puts a thin covering
of petroleum on sandy areas and plants trees. The oil keeps the water and ... (41)_______ they live changes. The climate may become
wetter or drier. It may become warmer or cooler. If the animals cannot change, or adapt, to the new
climate, they die.
Some animals go extinct...
... always wanted to become the manager.
A. His ambition was to become the manager.
B. His ambition is becoming the manager.
C. He always has an ambition to become the manager.
D. He is ambitious becoming ... world.
A. compete B. competition C. competing D. competitive
13. Our company offers you______prices.
A. competing B. competed C. competitive D.
competition
14. Vietnam team was warmly welcome by ... ago.
67. can / not I you I cheaper / a / restaurant / this I than i one /.
A. You cannot tind a cheaper restaurant than this one.
B. You cannot find a restaurant cheaper than this one.
C. You cannot...
... records and plays back sound and pictures
4. tape recorder D. a camera which records
.
Moving
.
Pictures and sound
5. modem e. a machine for chopping up, slicing, mashing, blending.
6. camcorder ... waste of time, and they wanted to stop it
Spain and Turkey are two countries which stopped homework recently. In Denmark, Germany and
several other countries in Europe, teachers cannot set homework ... robots can be programmed to do a variety of
tasks that are usually accomplished by human factory workers. Like their human counterparts, industrial
robots can be switched from one job to another and...
... Vietnam’s GDP. Manufacturing grew 12. 8 percent, construction
increased 12 percent, and the hotel and restaurant (5)….expanded 12. 7 percent, according to today’s release.
ANSWER KEYS - UNIT 3+4
1D 2B ... that
27. The court found the man innocent of murdering his wife
A. The court found a murdered man and his wife B. The court decided that the man had killed his wife
C.The man was found murdered ... second-hand laptop.
A. My brother wished he had bought the second-hand laptop.
B. My brother wished he didn’t buy the second-hand laptop.
C.My brother wished he hadn’t bought the second-hand...
... lại trong nhóm:
6. A. decide B. complete C. vacation D. almost
7. A. applicant B. appliance C. delicate D. relevant
8. A. competent B. computer C. compliance D. commuter
9. A. inference B. inferior ...
11
D
11
A
11
A
11
B
11
B
11
B
11
C
12
B
12
B
12
B
12
D
12
B
12
B
12
A
12
B
13
D
13
D
13
C
13
C
13
A
13
A
13
... trong nhãm:
6. A. monetary B. capitalism C. contrary D. departure
7. A. distance B. dictator C. tolerance D. dominant
8. A. annoyance B. restaurant C. grandmother D. dishwasher
9. A. monotonous...
... viết TRUE hoặc FALSE.
The common cold is caused by viruses that infect the nose,
throat and sinuses. It’s most common during the cold winter
months and effects children and adults of all ages. ... is no
cure for the common cold. Antibiotics don’t work against
viruses. All you can do to feel better is treat your symptoms.
Colds usually last about one week but can continue for as long ... People catch cold more often in the winter. _______
2. The common cold mostly affects on young children. _______
3. You may have a slight fever when you catch cold. _______
Hoa’s eyes and ears....
...
1
120 cos 4 ( )x t cm
π
=
và
2
120 cos(4 )( )
3
x t cm
π
π
= −
. Phương trình dao động tổng hợp là:
A.
120 3 cos(4 )( )
6
x t cm
π
π
= +
B.
120 3 cos(4 )( )
3
x t cm
π
π
= +
C.
120 3 cos(4 ... vật là:
A.
12cos 4 ( )
3
x t cm
π
π
= −
÷
B.
12cos ( )
3
x t cm
π
π
= +
÷
C.
12cos 4 ( )
3
x t cm
= +
ữ
D.
12cos 4 ( )
6
x t cm
= +
ữ
133. Một con lắc lò ... 3 cos
100
3
t
ữ
(cm) v x
2
= 3cos
100
6
t
+
ữ
(cm). Phng trỡnh dao động tổng hợp là :
A.
3 2 cos(100 )( )
12
x t cm
π
π
= −
B.
6cos(100 )( )
12
x t cm
π
π
= −
C.
3 2 cos(100...
... (what) was the Decade for Women organized?
A. by the United Nations Organization. B. by developing countries.
C. by the World Health Organization. D. by many African countries.
Question 17:. Why do ... idea D. Congratulation !
Question 46:My problems are getting _______.
A. bader and bader B. more and more bad C. worse and worse D. the worse and worse.
Question 47 :No sooner ________ than the ... which consists of 10 countries located in Southeast Asia was _______
on August 8
th
, 1967 by Indonesia, Malaysia, the Philippines, Singapore, and Thailand.
A. invented B. found C. discovered...
... can
> c
28. Do most of the people who live along the shores of earn a
living ?
a. the Mediterranean / by farm
b. Mediterranean / by farming
c. the Mediterranean / to farm
d. the Mediterranean ... That man, …… family is very poor, is standing in front of the hotel to ask for
money.
a. who
b. whom
c. whose
d. which
c
29. Lan learns better than student.
a. any
b. any others
c. any another
d. ... about 45,000 men were left
a. dead and wound
b. dead and wounded
c. to die and wound
d. death and wound
b
45. The old man is both deaf and dumb. He can understand us.
a. harder
>b
50. I see...
... Pakistan dropped its plan to host the Games due to conflicts with
Bangladesh and Indian. Thailand (5) to help and the Games were held in Bangkok.
The 13th Asian Games was held in Bangkok, Thailand ... best answer to complete the sentence.
___________ has been teaching English to us at Quang Trung High School
A. It is Mr. Lanh B. It is Mr. Lanh that
C. He is Mr. Lanh who D. It was Mr. Lanh ... furniture.
A. to cover B. covered C. that covering D. covering
Question 11. The nuclear power plant _______ last year will come to operate tomorrow.
A. completing B. to complete C. completed D. which completed
Question...
... 1
08.
C. 109. C. 110. A. 111. B. 112. D. 113. B. 114. D. 115. B. 116. D. 117. D. 118. A. 119. A. 120 . C. 121 . B.
122 .
D. 123 . B. 124 . D. 125 . D. 126 . D. 127 . C. 128 . D. 129 . A. 130. D. 131. A. 132. ... thì tốc độ của con lắc l à
A
.
v
=
C
.
v
=
2gl(cos
cos
0
)
.
B
.
v
=
2gl(cos
0
cos
)
.
D
.
v
=
2gl(1 cos
)
.
2gl(cos
0
cos
)
.
Câu
... Một con lắc đơn, dây treo dài l treo trong thang máy, khi thang máy đang đi xuống nhanh dần
đều
với độ lớn gia tốc là a. Biết gia tốc rơi tự do là g. Chu kì dao động T (biên độ nhỏ) của con...
... song.
- Buồng ảnh dùng để quan sát hay chụp ảnh quang phổ.
+ Nguyên tắc hoạt động của máy quang phổ lăng kính dựa trên hiện tượng tán sắc ánh sáng.
* Quang phổ liên tục
+ Quang phổ liên tục là một ... hiện tượng quang điện.
- Bị nước, thủy tinh… hấp thụ rất mạnh nhưng lại có thể truyền qua được thạch anh.
+ Sự hấp thụ tia tử ngoại:
Thủy tinh hấp thụ mạnh các tia tử ngoại. Thạch anh, nước và ... dùng để chụp ảnh, quay phim ban đêm; ống nhòm hồng
ngoại để quan sát ban đêm.
* Tia tử ngoại
+ Các bức xạ không nhìn thấy có bước sóng ngắn hơn 0,38 µm đến cở vài nanômét được gọi là tia tử ngoại.
+...
... sỏng n mn quan sát là 1,4m, khoảng cách giữa hai khe sáng là 0,8mm
Sự học là quyển sách không trang cuối! Bùi Đức Thanh – THPT Bạch Đằng Trang 13
a, Tính bề rộng của quang phổ bậc 2
b, Quang phổ ... tím
Sự học là quyển sách không trang cuối! Bùi Đức Thanh – THPT Bạch Đằng Trang 18
6.73: Phát biểu nào sau đây là sai khi nói về quang phổ vạch phát xạ:
A. Quang phổ vạch phát xạ bao gồm hệ thống ... 0,257
m
à
. B. 0,250
m
à
. C. 0 ,129
m
à
. D. 0 ,125
m
à
.
6.59. Phỏt biu no sau đây là đúng?
Sự học là quyển sách không trang cuối! Bùi Đức Thanh – THPT Bạch Đằng Trang 25
...