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问题 不定项选择

做布朗运动实验，得到某个观测记录如图。图中记录的是

[ ]

A．分子无规则运动的情况

B．某个微粒做布朗运动的轨迹

C．某个微粒做布朗运动的速度一时间图线

D．按等时间间隔依次记录的某个运动微粒位置的连线

答案

答案：D

阅读理解

If you want to live for 100 years, you need healthy food and lots of exercise.

In the morning, you have a big and nice breakfast. A big and nice breakfast can help you start a day. For lunch and dinner, you can have rice and vegetables. ⑵Healthy people seldom eat much snacks. Sweet snacks give you energy but they’re not healthy. You can have an orange or an apple after each meal.

Except for keeping a healthy ⑴______, you need lots of ⑴______ too. You can do sports for 30 minutes every day. After a month, you will feel healthier. You can swim. You can run. You can play ball games. But don’t play computer games or chat with friends on the Internet for many hours every day. This is not exercise.

Get up from your chair, everyone! Change your diet and lifestyle today! You can live for 100 years. You can always feel young with right food and exercise.

小题1:将⑴处分别填上适当的单词。

              _____________

小题2:将⑵画线处翻译成汉语:

                 ______________________                            

小题3:How long can we exercise every day?

                                                                    

小题4:在文中找出下面句子的同义句。

You can do some exercise for half an hour every day.

_____________________________________

小题5:找出文中最能表达中心意思的句子。

_______________________________________________.
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单项选择题

在教育和人才培养方面，除把教育放在优先发展战略地位外，我国政府的另一个重要战略是______。

A．人才强国战略
B．人才竞争战略
C．科技兴国战略
D．世界一流大学战略
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