国家公务员担任不同层次领导职务的最高任职年龄应由谁规定A.由同级政府规定 B.由上一

题型:单项选择题

问题:

国家公务员担任不同层次领导职务的最高任职年龄应由谁规定

A.由同级政府规定

B.由上一级政府规定

C.由国家规定

D.由国家人事部门规定

考点:城市规划师城市规划管理与法规城市规划管理与法规
题型:单项选择题

阅读理解。

                                                 Wetlands! Valuable Resources on the Earth

    There are many wetlands in China and some of them have become the world's important wetlands. The

Chinese Yellow Sea Wetlands are among them. They are in Yancheng, Jiangsu Province. They are home for

many different kinds of animals. The world's largest Milu Deer Nature Reserve is in them. More than 700

Milu deer live freely there. There are not many red-crowned cranes in the world, but every winter you can

see some in the Red-crowned Crane Nature Reserve in the Yellow Sea Wetlands.

    The temperature in the wetlands is usually neither too high nor too low. There us a lot of rain and sunshine,

too. They are really good places for wildlife. Offering (提供) food and home for some special kinds of animals

is not the only reason why we need to protect wetlands. Wetlands are important because they also prevent

flood. But some people want to change the wetlands to make more space for farms and less space for wildlife.

Luckily, more and more people are beginning to realize the importance of wetlands and wildlife. Every year, on

February 2nd, many activities are held to tell people more about wetlands.

1. The Chinese Yellow Sea Wetlands are in the ______ of China. [ ]

A. east

B. south

C. west

D. north

2. Usually the weather in the wetlands is ______. [ ]

A. hot

B. pleasant

C. cold

D. dry

3. The World Wetlands Day is on ______.[ ]

A. April 22

B. June 25

C. February 2

D. March 22

4. We must protect wetlands because ______.[ ]

A. they are home for wildlife

B. they can offer food to animals

C. they can prevent flood

D. all of the above

5. Some people want to change ______ to make more space for farms. [ ]

A. lands

B. world

C. wildlife

D. wetlands

题型:单项选择题

( )是指机器在按使用说明书规定的预定使用条件下,执行其功能和在对其进行运输、安装、调试、运行、维修、拆卸和处理时对操作者不发生损伤或危害其健康的能力。

A.机械故障诊断

B.机械安全

C.机械性能

D.机械寿命

题型:单项选择题

一位司机驾驶大货车在某路段行驶,由于超速被警察拦住,警察对司机说:“先生,刚才你的车速为70km/h,超速了。”这位司机不满地说:“为什么小车的限速为80km/h,而大车的限速却为60km/h,不合理!”如果让你从物理学角度向司机解释,你会告诉他,这是由于 [ ]

A.物体的惯性跟速度和质量有关

B.摩擦力的大小跟速度和质量有关

C.物体的动能跟速度和质量有关

D.压强的大小跟速度和质量有关

题型:单项选择题

水溶性维生素的共性不包括()。

A.溶于水

B.在碱性溶液中容易破坏

C.在体内贮存少

D.体内缺乏容易出现相应症状

E.营养状况不能用尿负荷试验进行评价

题型:单项选择题

H2S的爆炸范围是()。

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