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【简答题】
你喜欢哪种动物,猫还是狗? Which animal do you like _____,a cat or a dog?
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【简答题】配制硫代硫酸钠溶液用新沸过的冷水的目的是
【单选题】W hen I saw the mess my paper was in, it was obvious that someone ______ it.
A.
was reading
B.
would have read
C.
had been reading
D.
had read
【单选题】. ______ is no possibility _____ Jack will win the first place in the competition.
A.
There; that
B.
It; that
C.
There; whether
D.
It; whether
【单选题】The first write in America to win the Nobel Prize in literature is_____.
A.
Mark Twain
B.
Jack London.
C.
Sinclair Lewis
D.
Ernest Hemingway
【单选题】To prevent animal bites people had better not raise any pets, such as a puppy or kitten.
A.
Y
B.
N
C.
NG
【简答题】梁上有集中力作用时,其剪力图有突变,突变值等于____,弯矩图在此处出现____。
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