下列各种天体系统中,最大和最小的天体系统分别是 A.总星系、地月系 B.太阳系、

题型:选择题

问题:

下列各种天体系统中,最大和最小的天体系统分别是

A.总星系、地月系

B.太阳系、地月系

C.星系、银河系

D.河外星系、太阳系

考点:地球的特殊性——存在生命的行星地球的普通性
题型:选择题

阅读下面短文,并按照题目要求用英语问答问题(请注意问题后词数要求)。

Some countries are better than others at looking after the environment. In Europe, Germany(德国)and northem European countries work very hard to improve the environment. The people in Germany put their rubbish into different bags-paper in one bag, plastic in laws that do not allow people to burn too much coal. In the 1970s ,as people learned more about environmental problems, the “Green” movement(运动)began and soon spread all over Europe. The “Green ”movement tries to get governments to protect the environment. It collects information about how industry is damaging(毁坏)the environment and tells newspapers. 

小题1:Which countries in Europe work very hard to improve the environment? (within 5 words)

                                                                                          

小题2:Who put rubbish into different bags? (within 4 words)

                                                                                           

小题3:Can the people in Germany burn too much coal? (within 1 words)

                                                                                           

小题4:When did the “Green “movement begin? (within 3 words)

                                                                                           

小题5:What does the “Green”movement try to do?  (within 6 words)

                                                                                           

题型:选择题

系统氢含量达标值为()

A、0.78

B、0.96

C、1.19

D、1.26

题型:选择题

周围神经损伤的康复训练中,肌力达3级可进行()

A.电刺激

B.有氧运动

C.等长收缩和助力收缩

D.助力收缩和去除重力下主动运动

E.抗阻运动及速度、耐力、协调性和平衡性的训练

题型:选择题

下列利用扒沟法降低储存粮油温度的操作,错误的是()。

A.粮堆表层发热霉变时,只要粮食水分不是特别大,不管外界温、湿度条件,都可采取粮堆表面局部的扒沟自然通风降水、降温

B.采用扒沟自然通风降温、降水时,扒沟的方向与风向相同,门窗开启

C.当扒沟法降低储存粮油温度时机成熟时,保管员用刮板在粮面上扒沟,并经常翻动

D.利用扒沟法降低储存粮油温度时,需要定时测定粮食温度和水分

题型:选择题

不满轴的军用列车补轴时,在征得驻铁路局军事代表办事处同意后,补轴作业应当在()进行,不得影响军用列车正点、安全、保密。

A.始发站

B.始发站或途中技术站

C.始发站或途中作业站

D.途中技术站

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