... D. Mark your choice on the answer sheet.
3. A. daughter B. decide C. provide D. enjoy
4. A. physicist B. president C. inventor D. gardener
5. A. factory B. farmer C. fairy D. farewell
Questions ... many things.
C. Preparing for the sporting event at our school, we have to do many things.
D. To be prepared for the sporting event at our school, we have to do many things.
47 . /to upgrade / ....
... games.
44 . internet/ is/ invention /wonderful/ modem/life.
A. The internet is wonderful invention modem life. B. The internet is a wonderful invention of modern life.
C. The internet is a wonderful ... time!
29. He’s a man with a__________________
A. thin long face B. face long and thin C. long and thin face D. thinly long face
30. 50,000 people attended the Opening Ceremony of the 15” Asi...
... correcting.
41 . The purpose of UNICEF is help provide a better life for children and their mothers.
A B C D
42 . UNICEF serves children in community all over the world.
A B C D
43 . Could you delivery ... that island may develop differently.
D. The plants that live on that island may develop different.
49 . Etna is an active volcano. The volcano is on the island of Sicily.
A. Etna, whi...
... B. cheap C. teacher D. child
3. A. wants B. books C. stops D. sends
II. Stress:
4. A. chemical B. delicate C. dependent D. company
5. A. cancer B. treatment C. tissue D. disease
III. GRAMMAR: Choose ... unexpected incidents.
A. demolishing B. exploding C. developing D. running
21.David signed the papers, ___________ he could work at the construction company.
A. so that B. such that C. in or...
... (49 ) , but these chemicals pollute the environment and (50) wildlife.
46 . A. at B. in C. for D. on
47 . A. safe B. protect C. harm D. serve
48 . A. protected B. extinct C. called D. hunted
49 . ... (46 ) . danger. Many species of animals are
threatened, and could easily become extinct if we do not make an effort to (47 ) them. They are many reasons for this.
In some cases, animal are...
... future, not (45 )___
present.
41 . A. in B. of C. for D. at
42 . A. changing B. trading C. speaking D. exchanging
43 . A. which B. what C. where D. whom
44 . A. for B. to C. about D. on
45 . A. just ... and love. But this is
nothing compared (44 )___ what people can do. We have language – about 6,000 languages, in fact. We can write poetry,
tell jokes, make promises, explain, persuade, t...
... C 21 B 31 C 41 D
2 A 12 D 22 B 32 A 42 B
3 C 13 A 23 D 33 C 43 A
4 C 14 D 24 A 34 C 44 A
5 B 15 B 25 C 35 C 45 C
6 C 16 D 26 C 36 C 46 B
7 C 17 D 27 A 37 A 47 D
8 B 18 D 28 A 38 C 48 A
9 D 19 ... C 21 B 31 C 41 D
2 A 12 D 22 B 32 A 42 B
3 C 13 A 23 D 33 C 43 A
4 C 14 D 24 A 34 C 44 A
5 B 15 B 25 C 35 C 45 C
6 C 16 D 26 C 36 C 46 B
7 C 17 D 27 A 37 A 47 D
8 B 18 D 28 A...
... have decided that the work they do is unacceptable.
a. As they do the work which we have decided is unacceptable.
b. They have been decided that the work they do is unacceptable.
c. It has been decided ... thing she (50) _____ her time. It is a gift none of them will ever forget.
41 . a. which b. that c. whom d. whose
42 .a. support b. admire c. desire d. arm
43 a. a b. an c. the d. no art...
... 2,9.10
8
B. 2 ,46 5.10
8
C. 1,8 74. 10
8
D. 2,05.10
8
40 ) Cho biết bước sóng của tia tím là 0 ,4. 10
-6
m, lượng tử ánh sáng của tia tím là( h = 6,62.10
- 34
J.s;
c = 3.10
8
)
A 9,965.10
-19
J B. 4, 965.10
-19
J ... lần lượt là m
u
= 2 34, 97u, m
P
= 1,0073u, m
n
= 1,0087u
Và 1u
≈
931MeV/ c
2
. Năng lượng liên kết riêng của
235
92
U
là bao nhiêu?
A. 0 ,48 MeV B.7,7MeV C.5MeV D....
... thu được là
A. 4, 48 lít và 12 gam. B. 8, 96 lít và 24 gam.
C. 6,72 lít và 18 gam. D. 4, 48 lít và 9,2 gam.
Câu 22: Trong số các loại tơ sau:
(1) [-NH-(CH
2
)
6
-NH-OC-(CH
2
)
4
-CO-]
n
(2) [-NH-(CH
2
)
5
-CO-]
n
(3) ... có mặt H
2
SO
4
đặc, sản
phẩm thu được đem khử thành anilin. Nếu hiệu suất chung của quá trình là 78% thì
khối lượng anilin thu được là
A. 45 6 gam. B. 5 64 gam. C....