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问题 问答题 简答题

脚手架使用过程中在管理上应注意哪些事项？

答案

参考答案：

脚手架使用过程中应分阶段，定期对其进行质量检查，特别要注意连墙件是否漏设或被拆除而未补设，脚手架是否超载，立杆是否悬空，基础沉降情况如何等

选择题

漫画《龟兔赛跑新传》给我们的启示是[ ]

①我们既要学会竞争，又要善于合作

②合作可以使人们扬长避短，做到人尽其能，物尽其用

③合作不利于调动人们的进取心和开拓创新精神

④合作可以实现共赢

A．①②③

B．②③④

C．①③④

D．①②④
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单项选择题

In the second half of each year, many powerful storms are born in the tropical Atlantic and Caribbean seas. Of (91) , only about half a dozen (92) the p, circling winds of 75 miles per hour or more that give them hurricane status, and several usually (93) their way to the coast. There cause millions of dollars of (94) , and bring death to (95) numbers of people.
The great storms that hit the coast start (96) innocent circling disturbances hundreds, even thousands of miles out to sea. As they travel aimlessly over water (97) by the summer sun, they are carried westward by the (98) winds. When conditions are just (99) , warm, moist air flows in (100) the bottom of such a disturbance, moves upward through it and comes out at the top. In the (101) , the moisture in this warm air produces rain, and with it the heat is converted to energy in the form of p winds. As the heat increases, the (102) hurricane begins to swirl in a counter-clockwise motion.
The average life of a hurricane is only about nine days, but it contains almost (103) power than we can imagine. The energy in the heat released by a hurricane’s rainfall in a(n) (104) day would (105) the entire electrical needs of the United States for more than six months. Water, not wind, is the main (106) of death and destruction in a hurricane. A(n) (107) hurricane brings 6-to 12-inch downpours (108) in sudden floods. (109) is the powerful movement of the sea-the mountains of water moving toward the low-pressure hurricane center. The water level (110) as much as 15 feet above normal as it moves toward shore.

A．more

B．fewer

C．less

D．no
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