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【单选题】
在强度计算中，为保证杆件安全工作，极限应力再除以一个大于1的系数，作为设计的依据，该系数称为（）A.
比例系数
B.
长度系数
C.
安全系数
D.
强度系数
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【简答题】If a native speaker of English says to you, "that's a very nice coat you are wearing." You can answer it by saying, " Do you really like it ?"
【判断题】If a native speaker of English says to you “That’s a very nice coat you’re wearing”, you can answer it by saying, “Do you really like it?”
A.
正确
B.
错误
【单选题】If a speaker always trills his or her tongue when pronouncing the consonant /r/, the speaker is probably a native speaker of __________.
A.
Chinese
B.
Japanese
C.
Arabian
D.
German
【判断题】If a native speaker of English says to you "That's a very nice coat you're wearing.", you can answer by saying," Do you really like it?"
A.
正确
B.
错误
【单选题】If a native speaker of English says to you "That's a very nice coat you're wearing.“, you can answer it by saying, "Do you really like it?"
A.
A
B.
I
【单选题】If a native speaker of English says to you "That's a very nice coat you're wearing." You can answer it by saying, "Do you really like it?" If it is appropriate, choose "Appropriate", or if it is inapp...
A.
Appropriate
B.
Inappropriate
【单选题】He speaks as if ______ a native speaker of English.
A.
were
B.
was
C.
has been
D.
had been
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