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【判断题】
式幕墙的玻璃固定有上部悬挂式和下部支承式。当幕墙高度大于4，必须采用下部支承式。A.
正确
B.
错误
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【单选题】天花是一种在全世界已经被消灭的传染病,目前世界上只有极少数的实验室仍保存着天花病毒。对于继续保存还是消灭这些天花病毒,存在争论。下列观点中支持消灭天花病毒的是
A.
天花病毒可能还有新的用途，只是现在还没有被发现
B.
保存天花病毒，有利于保护生物多样性
C.
假如实验室中的天花病毒被泄漏出去，将会造成严重的后果
D.
一旦天花重新流行，可以利用实验室保存的天花病毒快速研制疫苗
【单选题】He is very good at carpentering, though ______.
A.
is very young
B.
very young
C.
hevery young
D.
he was very young
【简答题】听句子，选出句子中所包含的信息。 ( )1. A. cat ( )2. A. next Monday ( )3. A. forty-five ( )4. A. He was very famous for his many inventions. ( )5. A. I started doing my home workafter mum got back ...
【简答题】John moved into a new house. He was very happy. He had an old cat and a young cat. He liked them very much, He thought, “I must let my cat go in and out of my house when I'm not at home.” He had an id...
【单选题】9 We are restricted to a speed of 30 miles an hour in built-up areas
A.
deprived
B.
forbidden
C.
required
D.
limited
【简答题】根据短文内容判断正(A)误(B)。 There was once a farmer who had a fine olive orchard (橄榄园). He was very hardworking, and the farm always grew well under his care. But he knew that his three sons didn't like the far...
【单选题】The underlined word 'taboo' (Para. 2) most probably means '______'.
A.
intolerable
B.
forbidden
C.
secret
D.
appropriate
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