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【多选题】
混凝土工程安全注意事项中,以下哪些做法是正确的:()。A.
搬运水泥要从上至下 , 呈梯形搬取 , 使用人员需戴防护镜、手套、口罩等防护 用品。
B.
临时堆放备用水泥,不得堆叠过高 , 如需堆放在平台上 , 应不超过平台的允许承 载能力。
C.
手推车子向料斗倒料 , 应有挡车措施 , 不得用力过猛和撒把。禁止车子堆料过多 和推到挑沿、阳台上直接倒料。
D.
用龙门架、井架运输时 , 小车把不得伸出笼外 , 车轮前后要挡牢 , 稳起稳落。
E.
浇灌框架、梁、柱混凝土 , 应设置操作平台 , 不得直接站在模板或支撑上操作 , 浇灌深基础时 , 应检查边坡士质安全 , 如有异常 , 应报告施工负责人及时处理、加固。
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举一反三
【简答题】火的特性是：炎上、()、()。
【单选题】The more acid you add to the solution, it becomes.
A.
cloudier
B.
the cloudier
C.
the cloudiest
D.
more cloudy
【单选题】Which of the following is true according to this ad?
A.
The more books you buy, the less money you will pay.
B.
You have to pay more for any books if you don't join the coop.
C.
You can place an order for a world-wide magazine from this shop.
D.
Most of the shareholders are teachers.
【简答题】A more precise term for acid rain is______, which has two parts: wet and dry.
【单选题】Any acid can, in principle, neutralize any base, although ______ between some of the more reactive compounds.
A.
side reactions can occur
B.
the occurrence of side reactions can
C.
can side reactions occur
D.
side reactions that can occur
【单选题】Do you think it is _________ to expect people to work more than 60 hours a week?
A.
adequate
B.
reasonable
C.
attractive
D.
comfortable
【单选题】Acid rain means the precipitation in the form. of rain, snow or hail which is more acidic than normal.
A.
Y
B.
N
C.
NG
【简答题】一个C源程序中至少应包括一个【1】函数.
【简答题】五行中木的特性是( ) ; 火的特性是( ) ; 土 的特性是( ) ; 金 的特性是( ) ; 水 的特性是( ) 。 A. 曲直 B. 炎上 C. 从革 D. 稼穑 E. 润下
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