题目内容

沥青表面可采用拌和法或层铺法施工，厚度不宜大于25mm。 ()

A. 正确
B. 错误

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喷射混凝土养护应注意（)。A．养护时间宜为14～21d，在混凝土达到设计强度40%以后，可允许行人通行，但喷射混凝土养护应注意()。

A. 养护时间宜为14～21d，在混凝土达到设计强度40%以后，可允许行人通行，但车辆禁止通行
B. 混凝土终凝2h后应喷水养护；一般工程不少于7d，重要工程养护不少于14d
C. 气温低于5℃，不得喷水养护
D. 普通硅酸盐水泥配制的喷射混凝土强度低于设计强度的30%时，以及矿渣硅酸盐水泥配制的喷射混凝土强度低于设计强度的40%时，不得受冻
E. 气温低于10℃，不得喷水养护

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听力原文：W: My son has got a pain in his ear for days.
M: Let's have a look. Ah yes, he has got something in his ear. I'll have to take.
W: Where does the conversation most probably take place？
(4)

A. In the headmaster's office.
B. In a hospital.
C. In a language lab.
D. At twelve o'clock.

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集料应按不同尺寸运抵工地，并贮存在相互分开的不同料堆中。 ()

A. 正确
B. 错误

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A．Friends.B．Mother and son.C．Husband and wife.D．Shopkeeper and customer.

A. Friends.
B. Mother and son.
C. Husband and wife.
D. Shopkeeper and customer.

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沥青表面可采用拌和法或层铺法施工，厚度不宜大于25mm。 ()

A. 正确 B. 错误

喷射混凝土养护应注意（)。A．养护时间宜为14～21d，在混凝土达到设计强度40%以后，可允许行人通行，但喷射混凝土养护应注意()。

听力原文：W: My son has got a pain in his ear for days.M: Let's have a look. Ah yes, he has got something in his ear. I'll have to take.W: Where does the conversation most probably take place？(4)

集料应按不同尺寸运抵工地，并贮存在相互分开的不同料堆中。 ()

A．Friends.B．Mother and son.C．Husband and wife.D．Shopkeeper and customer.

A. 正确
B. 错误

听力原文：W: My son has got a pain in his ear for days.
M: Let's have a look. Ah yes, he has got something in his ear. I'll have to take.
W: Where does the conversation most probably take place？
(4)