【判断题】【消耗次数：1】
气硬性胶凝材料只能在空气中硬化，水硬性胶凝材料只能在水中硬化。 （）
①
正确
②
错误
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相关题目
【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
随机题目
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The factory is said ____ in a fire two years ago.
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to have destroyed
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to be destroyed
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to destroy
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to have been destroyed
【单选题】
The prices of the agricultural products have been ____ steadily in the past few years.
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risen
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raised
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arisen
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aroused
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to do
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do
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does
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doing
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That
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Because
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Whatever
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However
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If you don’t think it necessary to make ____ any missed lessons, speak up now.
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up for
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up with
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up to
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away for
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①
when
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that
③
as
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than
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When the teacher had ____through with the class, they felt very ashamed.
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gone
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got
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done
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①
either ?
②
both ?
③
neither ?
④
all?
【单选题】
No one, except his two best friends ____his joy or sorrow in his life.
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shares
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share
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sharing
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to share