【单选题】【消耗次数：1】
在下列论述中，（）是正确的。
①
强度理论只适用于复杂应力状态。
②
第一、第二强度理论只适用于脆性材料。
③
第三、第四强度理论只适用于塑性材料。
④
第三、第四强度理论只适用于塑性流动破坏。
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【判断题】
气硬性胶凝材料只能在空气中凝结、硬化、保持和发展强度，一般只适用于干燥环境，不宜用于潮湿环境与水中；而水硬性胶凝材料则只能适用于潮湿环境与水中。（）
①
正确
②
错误
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No，Ill be busy.
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What is the matter?
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Im sorry I wont be free then.
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No，Ill have no time.
【单选题】
A: Have you ever been to Huangshan? B:[填空].
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No. Twice
②
I went there twice
③
Yes. Twice
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Yes. Ill go there next month
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A: Is there a bank near here? B: [填空].
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Its very far
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Its here
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Yes, there is a big one
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Its very crowded
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A: David injured his leg playing football yesterday. B: Really? [填空]
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Who did that?
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hats wrong with him
③
How did that happen
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Why was he so careless?
【单选题】
A: How are you doing？B: [填空].
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Good night
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Not so bad. And you?
③
I m pleased.
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I appreciate it, but Ive already fed them
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No problem, I was more than glad to do it
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Thanks for offering your help, but my sisters going to do it
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Certainly, feeding cats is my favorite pastime
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What a pity!
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Its a good idea.
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Remember to bring it next time.
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Im glad to hear that.
【单选题】
A: May I use your dictionary for a moment? B: [填空].
①
Its well
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It doesnt matter
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By all means
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Here you are
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A: Are you feeling better today? B: [填空].
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There must be something wrong
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Just have a good rest
③
Yes, thank you, doctor. But I still dont feel good
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Dont worry about me
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A: How about going to dinner at the Mexican restaurant tonight? B: [填空].
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I like Mexican food
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Id like to, but I already have plans for tonight
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Forget it
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I dont know