对双小车起重机的操作有何规定?

题型:问答题 简答题

问题:

对双小车起重机的操作有何规定?

考点:起重机操作证考试桥门式起重机司机桥门式起重机司机题库
题型:问答题 简答题

有个大学物理系学生 (135) 这个问题困扰了很 (136) :“为什么烧水时水壶发出的声音逐渐 (137) 大,但是到了水快煮沸时声音却: (138) 低了 (139) ?”结果,他从亚当斯那里得到了 (140) 。声音是因为上升的气泡到达较冷的水时便会破裂而 (141) 的,等到壶里所有水的 (142) 都相等之后,声音便会 (143)

A.一定

B.干脆

C.始终

D.突然

题型:问答题 简答题

Energy pod:

It was designed by a US company with NASA technology. It puts the human body in the best sleeping position and blocks outside noise to create an ideal napping experience. Silicon Valley high-tech companies such as Google provide the Pod for employees.

White noise radio:

White noise is a sound signal that contains equal power and frequency. Some radios provide white noise to mask other noises so that people can sleep without disturbance.

High-tech sleepwear:

A US-based company designs a nightgown with special fabric that stimulates blood flow to tired muscles helping one relax in deeper restorative sleep.

Emu pillow:

Inspired by emu that buried its head in sands when it’s scared, a type of pillow has been designed in China for office workers to take a nap, safe and sound. It turns the computer desk into a sleep hub with even two pockets to store the hands.

小题1:These are designed for those who   .

A.have enough sleep.

B.are working for high-tech companies.

C.are in poor health.

D.are victims of sleeping sickness.小题2:Which of the following is produced with the help of a kind of bird?

A.White noise radio.

B.Emu pillow.

C.High-tech sleepwear.

D.Energy Pod.小题3:How do you probably get the information?

A.From a book.

B.From a radio program.

C.From a newspaper.

D.From a text message.

题型:问答题 简答题

关于遗产继承,下列说法正确的是()

A.我国遗产继承的方式主要包括:遗嘱继承、法定继承、遗赠和遗赠抚养协议四种方式

B.第一法定继承顺序包括父母、子女;第二法定继承顺序包括配偶、兄弟姐妹、祖父母外祖父母

C.被继承人的子女先于被继承人死亡的,由被继承人的子女的晚辈直系血亲代位继承。代位继承人一般只能继承他的父亲或者母亲有权继承的遗产份额

D.第一法定继承顺序中的子女包括婚生子女、养子女和有扶养关系的继子女,不包括非婚生子女

题型:问答题 简答题

国外的经验证明,实行建设项目总承包(D+B)模式,平均可以降低造价( )左右。

A.5%

B.10%

C.15%

D.20%

题型:问答题 简答题

为什么捕蝇灯可以诱杀蚊蝇,而驱蚊灯却使蚊蝇敬而远之?

更多题库