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【判断题】
希腊城邦雅典的最高权力机构是五百人议事会。判断对错
A.
正确
B.
错误
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【简答题】Imagine an animal that becomes frozen in cold weather. Then, when it gets warmer, the animal simply unfreezes and goes back to its normal life. Although this may sound like something from a science-fi...
【单选题】卵黄蒂不闭锁形成的畸形是()。
A.
脐尿瘘
B.
脐粪瘘
C.
先天性脐疝
D.
腹壁裂
【单选题】卵黄蒂不闭锁形成的畸形是
A.
脐粪瘘
B.
脐尿瘘
C.
先天性脐疝
D.
腹壁裂
E.
以上均不正确
【单选题】卵黄蒂不闭锁形成的畸形是
A.
脐粪瘘
B.
先天性脐疝
C.
腹壁裂
D.
脐尿瘘
【单选题】It may be inferred from the passage that ______.
A.
bacteria can be most easily killed by removal of moisture.
B.
drying out a house will eliminate the risk of airborne infection.
C.
hot-air heating is better than steam heating because steam heating uses water.
D.
none of the above.
【判断题】卵黄蒂不闭锁形成的畸形是脐粪瘘。
A.
正确
B.
错误
【单选题】They're making efforts to ( )their normally cumbersome bureaucracy.
A.
streamline
B.
plunge
C.
descent
D.
smash
【简答题】The frog found a ____, the cat found a ____, the bird found a ____ and the dog found a _____.
【单选题】卵黄蒂不闭锁形成的畸形是()。
A.
脐粪瘘
B.
脐尿瘘
C.
先天性脐疝
D.
腹壁裂
【单选题】下列异构体中,能进行SN2反应,而无E2反应的是( )。
A.
B.
C.
D.
D
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