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【单选题】
How far is the hotel from the airport? (Exercise C)
A.
ten minutes
B.
fifteen minutes' drive
C.
twenty minutes
D.
five minutes' drive
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【判断题】渗碳体的硬度很高、脆性很大,塑性和韧性几乎为零,不能单独使用。
A.
正确
B.
错误
【简答题】But he is having a nice time there. He has a comfortable
【判断题】渗碳体具有高熔点,高硬度;但塑性和韧性几乎为零,脆性极大,渗碳体是钢中的主要强化相。
A.
正确
B.
错误
【判断题】( )黄瓜在整个生育过程中需要大量的N、P、K肥。
A.
正确
B.
错误
【单选题】In spite of increasing competition from rivals, we are _______ leading the industry in quality and customer satisfaction.
A.
besides
B.
evenly
C.
yet
D.
still
【单选题】Almost all of his time ______ experiments, he has no time to visit his parents.
A.
devoted to do
B.
devoting to doing
C.
devoted to doing
D.
is devoted to doing
【判断题】渗碳体的塑性和韧性几乎为零。
A.
正确
B.
错误
【单选题】All her time ________ experiments, she has no time for films.
A.
devoted to do
B.
devoted to doing
C.
devoting to doing
D.
is devoted to doing
【判断题】渗碳体的硬度很高,塑性和韧性几乎为零。
A.
正确
B.
错误
【判断题】渗碳体硬度高、脆性大,塑性和韧性几乎为零,是一个硬而脆的组织。
A.
正确
B.
错误
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