【判断题】【消耗次数:1】
我国北方有低浓度硫酸盐侵蚀的混凝土工程宜优先选用矿渣水泥。
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随机题目
【单选题】 You can take as many as you like because these handouts are free of ____.
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【单选题】 22. One day while Mr. King was working, he had a/an ____: his left leg was badly injured.
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③  uniform ?
④  zoo ?
【单选题】 I haven’t made any new friends yet and everybody here makes ____ of me.
①  fun
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【单选题】 Im going to the supermarket this afternoon. Do you have anything ____?
①  to be buying
②  bought
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【单选题】 Dont forget ____ the window before leaving the room.
①  to have closed
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【单选题】 Today, however, some new skyscrapers ____ up from the ground in long, wide, and curves.
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【单选题】 In order to ____ your goals, you must work hard.
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②  achieve
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【单选题】 Waiter: ___Customer: No, thank you. I have already known what to order.
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③  Would you like to see a menu?
④  Everybody! Order, please!