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【单选题】
多数十二指肠溃疡疼痛出现时间( )
A.
就餐时
B.
餐后0.5-1h
C.
餐后2-4h
D.
清晨
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【单选题】离心式压缩机一般都采用( )式叶轮
A.
前弯曲叶片
B.
径向开式叶片
C.
后弯曲叶片
【单选题】固定式离心式压缩机的叶轮般采用 ( )。
A.
前弯叶片式
B.
后弯叶片式
C.
径向直叶片式
D.
径向弯叶片式
【单选题】固定式离心式压缩机的叶轮一般采用()
A.
前弯叶片式
B.
后弯叶片式
C.
径向直叶片式
D.
径向弯叶片式
【单选题】离心式压缩机叶轮入口侧与壳体之间的密封通常采用()形迷宫密封。
A.
曲折
B.
平滑
C.
阶梯
D.
A和B均可
【单选题】离心式压缩机一般采用()式叶轮。
A.
后弯
B.
前弯
C.
径向
D.
横向
【简答题】“ I took it home with me. ” she said. She said that ______ ______ _______ it home with her.
【简答题】She said she had been waiting for an hour. It was true. 改: She said she had been waiting for an hour,_______________________.A. which was true
【简答题】“So what if the guy threw his shoe at me?ˮ Bush told a reporter in (respond) _________ to a question about the incident.
【单选题】“So what if the guy threw his shoe at me?” Bush told a reporter in response to a question about the incident.该短语的同义表达为_________
A.
when posing
B.
when asking
C.
when answering
D.
when avoiding
【简答题】A. The Nose Knows Read the following paragraphs carefully. Then fill in each blank with a word from the box. Use each word once. 从以下单词中选择填空,完成短文。 curious fact odors suggest Have you ev...
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