客运专线制梁用高性能混凝土搅拌投料循序正确的是()A、粗、细骨料→外加剂→水→水泥和

题型:单项选择题

问题:

客运专线制梁用高性能混凝土搅拌投料循序正确的是()

A、粗、细骨料→外加剂→水→水泥和掺和料

B、细骨料、水泥和掺和料→水→粗骨料→外加剂

C、水泥和掺和料→水→粗、细骨料→外加剂

考点:土木建筑工程箱梁预制梁工程箱梁预制梁工程题库
题型:单项选择题

下列各项中,不属于多发性抽动症的抽动特征是().

A.突发性抽动

B.快速抽动

C.反复性抽动

D.可控性抽动

E.多变性抽动

题型:单项选择题

用括号内所给词的适当形式填空。(每空不限一词)

1. June 1st is _____ (child) Day.

2. The long red leather boots _____ (fit) her very well. She looks smart.

3. If you collect two _____ (kilo) of waste paper (废纸), you can get a card.

4. Would you and your family like _____ (come) to Jingjiang to eat some crab dumplings in soup (蟹黄

    汤包) this weekend?

5. How many _____ (play) are there in your school football team?

6. Jim is wearing a pair of _____ (colour) trainers.

7. All the students make pumpkin lanterns at Halloween except _____ (he).

8. I want to say to Steve Jobs (乔布斯), ' Thank you for _____ (change) the world so much.'

9. Many students often go to school without _____ (have) breakfast. I don't think it's good for them.

10. His brother _____ (lie) on the couch at the moment.

题型:单项选择题

当增加反应酸度时,氧化剂的电极电位会增大的是()。

A、Fe3+

B、I2

C、K2Cr2O7

D、Cu2+

题型:单项选择题

出租汽车驾驶员不得有()等行为。

A.拒载

B.议价

C.途中甩客

D.故意绕道行驶

题型:单项选择题

豆类中不能被人体吸收利用的糖类约占其糖类总量的()。

A.100%

B.75%

C.50%

D.25%

E.80%

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