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【单选题】
不锈钢测疲劳极限时,应力循环应为( )次。A.
1015
B.
1016
C.
1013
D.
108
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反馈参考答案：
举一反三
【单选题】听力原文：W: Maybe we should take Front Street this morning. The radio announcer said that the traffic was very heavy on the freeway. M: Well, if he says to take the Front Street we should go the other way...
A.
He believes what the announcer says.
B.
He thinks that the announcer is very good at her work.
C.
He does not have a good opinion of the announcer.
D.
He thinks that they should do what the announcer says.
【简答题】热水供应系统中常用的热媒有( )和( )。
【简答题】宇航员在太空测体重,应用的是
【单选题】听力原文：W: What did you say? M: I said that it's a fine day today. Why don't we go for a walk? W: Can you wait a few minutes? I have to finish the letter. M: Will it take long? W: No, about ten minutes, ...
A.
She is cooking.
B.
She is reading a book.
C.
She's writing a letter.
【单选题】无人驾驶的模拟器做了很多细节的设计，提供了实验中被试需要完成的路线导航，车速仪表盘，以及后视镜的影像和窗外的影像，目的是？
A.
控制实验变量
B.
使被试者能够放松
C.
尽量还原真实的开车体验
D.
使得实验更有趣
【单选题】听力原文：W: Maybe we should take Main Street this morning. The radio announcer said traffic on the 7th Avenue is really heavy. M: Well, if he says to take Main Street, we should go the other way! Q: What ...
A.
He always does what the announcer says.
B.
He thinks that the announcer is very good at his work.
C.
He is angry at the announcer's words.
D.
He doesn't believe what the announcer says.
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