塔式起重机的混凝土基础应符合（）要求。A.混凝土强度等级不低于C35 B.每间隔6m

发布时间：2019-08-30 23:08 │ 来源：www.tikuol.com

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问题：

塔式起重机的混凝土基础应符合（）要求。

A.混凝土强度等级不低于C35

B.每间隔6m应设轨距拉杆一个

C.基础表面平整度允许偏差1／1000

D.埋设件的位置、标高和垂直以及施工工艺符合出厂说明书要求

E.混凝土基础周围应修筑边坡和排水设施

考点：机械员机械员综合练习机械员综合练习题库

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心理健康的人总能从日常生活中发现乐趣。（）

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用所给动词的适当形式填空。

     In many countries, 1_____(smoke) is becoming a bigger problem for young people. Most smokers
2_____  (start) in their teens (years of a person's age from 13 to 19 ) or even earlier.
     A study of 8,000 Beijing students last May 3_____(show) us that smoking was a problem for many
Chinese kids. More than 21% of middle school students and 6% of primary school pupils(小学生)
said they had smoked.
     "If young people start 4_____(smoke) early, they will probably get addicted to nicotine
(对尼古丁瘾).And it 5_____  (be) very hard to give up弃) later on," said a professor.
     Every year, about 4 million(百万) people die (死亡) of smoking. And if people keep 6_____
(smoke), that number will go up to about 10 million a year by 2030, the World Health Organization
(WHO, 世界卫生组织) says. So we have to 7_____(know) and tell others about the dangers(危险)
of smoking. Everyone of us should 8_____(do) something useful to stop kids from 9_____(smoke),
or one day we 10_____(see) what we won't see.

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文献中能够反映夏进入阶级社会的记载是[ ]

A．“防风后至，禹杀而谬之”

B．“禹穴之时，以铜为兵”

C．“天下为家……大人世及以为礼”

D．“茫茫禹迹，划为九州”

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检查自噬的金标准是（）

A.光学显微镜检查

B.荧光显微镜检查

C.电镜检查

D.倒置显微镜检查

E.解剖显微镜检查

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男，48岁。1年前开始逐渐出现颈后酸痛不适，双手麻木，不灵活，使用筷子困难。行走时有踩棉花感，易跌倒。查体：前臂外侧痛觉减退，四肢肌张力增高，双Hoffmann试验（+），踝阵挛（+），Babinski（+）。辅助检查：X线检查见颈5～6生理曲度消失，局部轻度后凸畸形，间隙狭窄，增生硬化；椎管矢状径15mm

如需手术治疗，宜采用（）

A.颈椎前路椎间盘摘除，植骨融合术

B.颈椎后路双开门成形术

C.脊髓后正中切开，脊髓空洞引流术

D.颈椎后路椎间孔切开术

E.胸廓出口扩大松解术

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