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【单选题】
由于铸件各部分冷却速度不一致，使各部分的收缩彼此制约产生的阻力称为____.。A.
摩擦阻力
B.
热阻力
C.
机械阻力
D.
气体阻力
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皮皮学刷刷变学霸
举一反三
【单选题】Directly he saw her, he fell ______ in love.
A.
from head to foot
B.
head over heels
C.
head and shoulders
D.
toe to toe
【单选题】I do believe that ______ swim across the river, but, in that situation, I ____ do that.
A.
am able; couldn’t
B.
could; was able to
C.
was quite able to; couldn’t
D.
couldn’t was able to
【简答题】Look at the terrible situation I am in! If only I ________ your advice. A) follow B) had followed C) would follow D) have followed
【简答题】4. Seldom do I have seen a
situation which made me so angry.
【简答题】He really did nothing practical, for he ____________ (不是看电视就是睡觉).
【简答题】Seldom do I have seen a situation which made me so angry. __________________________________________________________.
【简答题】Look at the terrible situation I am in! If only I ________ your advice. A) had followed B) would follow C) follow D) have followed
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