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【单选题】
一质点作曲线运动,若其法向加速度越来越大,则该点的速度( )。
A.
越来越大；
B.
越来越小 ；
C.
大小变化不能确定 。
D.
忽大忽小
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举一反三
【单选题】It can be inferred from the third paragraph that the President______.
A.
is in favor of choice advocates
B.
does not like the idea of abortion
C.
wants Roe to be arrested
D.
is not very popular in the country
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【多选题】β2受体主要引起的效应有( )
A.
胃肠平滑肌舒张
B.
皮肤粘膜血管收缩
C.
支气管平滑肌舒张
D.
汗腺分泌
E.
瞳孔开大肌收缩
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【单选题】A. c omputer B.i c e C. choi c e D.twi c e
A.
twi c e
B.
choi c e
C.
i c e
D.
c omputer
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【单选题】He hated the war so much that the decided to leace the army for good .
A.
permanently
B.
fo good-looking
C.
for a long time
D.
shortly
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【单选题】He hated the war so much that he decided to leave the army for good .
A.
permanently
B.
for good-looking
C.
for a long time
D.
shortly
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【单选题】He ___ the army for three years
A.
has joined
B.
joined
C.
was in
D.
has been in
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【单选题】Why did Fabio Hendry and Seongil Choi make the stools?
A.
Because they regarded it as a project to explore the usability of various waste products.
B.
Because they intended to reduce the amount of leftover nylon powder.
C.
Because they expected to make the stools in a variety of shape.
D.
Because they wanted to consume less energy and  leave less waste.
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【单选题】He in the factory for three years before he joined the army.
A.
has worked
B.
works
C.
had worked
D.
will work
查看完整题目与答案
【单选题】Why did Fabio Hendry and Seongil Choi make the stools?
A.
Because they regarded it as a project to explore the usability of various waste products.
B.
Because they intended to reduce the amount of leftover nylon powder.
C.
Because they expected to make the stools in a variety of shapes.
D.
Because they wanted to consume less energy and leave less waste.
查看完整题目与答案
【简答题】A. . c omputer B. i c e C. choi c e D. twi c e
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【单选题】It can be inferred from the third paragraph that the President______.
A.
is in favor of choice advocates
B.
does not like the idea of abortion
C.
wants Roe to be arrested
D.
is not very popular in the country
查看完整题目与答案
【多选题】β2受体主要引起的效应有( )
A.
胃肠平滑肌舒张
B.
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C.
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【单选题】A. c omputer B.i c e C. choi c e D.twi c e
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【单选题】He hated the war so much that the decided to leace the army for good .
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【单选题】He hated the war so much that he decided to leave the army for good .
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D.
shortly
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【单选题】He ___ the army for three years
A.
has joined
B.
joined
C.
was in
D.
has been in
查看完整题目与答案
【单选题】Why did Fabio Hendry and Seongil Choi make the stools?
A.
Because they regarded it as a project to explore the usability of various waste products.
B.
Because they intended to reduce the amount of leftover nylon powder.
C.
Because they expected to make the stools in a variety of shape.
D.
Because they wanted to consume less energy and  leave less waste.
查看完整题目与答案
【单选题】He in the factory for three years before he joined the army.
A.
has worked
B.
works
C.
had worked
D.
will work
查看完整题目与答案
【单选题】Why did Fabio Hendry and Seongil Choi make the stools?
A.
Because they regarded it as a project to explore the usability of various waste products.
B.
Because they intended to reduce the amount of leftover nylon powder.
C.
Because they expected to make the stools in a variety of shapes.
D.
Because they wanted to consume less energy and leave less waste.
查看完整题目与答案
【简答题】A. . c omputer B. i c e C. choi c e D. twi c e
查看完整题目与答案