2010年10月1日，我国第二颗探月卫星“嫦娥二号”成功发射，成为绕月极地卫星。利用该卫星可对月球进行成像探测。设卫星绕月极地轨道的周期为T_N，绕行半径为R；月球绕地球公转的周期为T_g，绕行半径为R₀；地球半径为R_E，月球半径为R_N，光速为c。
【小题1】如图所示，当绕月极地轨道的平面与月球绕地球公转的轨道平面垂直时（即与地心到月心的连线垂直时），求“嫦娥二号”向地面发送照片所需要的时间；
【小题2】忽略地球引力、太阳引力对绕月卫星的影响，求月球与地球的质量之比；
【小题3】忽略地球、月球自转影响，求月球与地球表面重力加速度之比。

Now you’ve finished three years of English study. There’s one way to demonstrate(展示)what you’ve learned-take a test!
Do you have any special methods(方法) you use to help you do better on a test? How well you do is often a matter of how well prepared you are. Here are some ways to make sure you’re at your best on test days.
Go to bed early. The night before a test is not the time to stay up watching TV. You want to be rested and wide-awake for test day.
Have a good breakfast. Test day isn’t a morning for donuts(面包圈).Nor is it a time to starve yourself. Eat plenty of low-sugar, high-energy food to keep your brain and body working their best.
Be prepared, Make sure you have two pencils and anything else you were asked to bring.
Watch the numbers. Make sure that the number of the items(项目)on your answer sheet matches the number of the question.
Look over all the answer choices(选择). Don’t assume(假定)that choice A is correct until you’ve checked the others. You may find a better one. And it is wrong to eliminate(排除)any choice that you can see at once. You’ll have a better chance of finding the right answer.
Check the clock. Make sure you allow yourself enough time to answer every question and go back and check your answers .Don’t spend too much time on any difficult question .Skip(跳读)it and come back to it later.
Keep up with your school work all year long That’s how you get the skills you need for taking tests.
四、填写表格，每空一词（10分）

How to make sure that you can do     1 on test days
2	Things you do
Going to bed early	Not 3  up or being asleep for test day
Having a good breakfast	Eating  4   low-sugar, high-energy food
Being prepared	Remembering to  5  two pencils and the    6 things you were asked to bring
Watching the numbers	The number of your answer should   7  the number of the question
Looking over all the choices	Don’t assume that the choice A is correct   8     you’ve checked the others
Checking the clock	9  your time carefully and not spending too much on any difficult question
You will get the skills you need    10   you keep up with your schoolwork all year long

 

Parents are the closest people to you in the world. They love you just because you’re you. And they would do anything for you.
Like a lot of middle school students, Zhang Li has a problem. She and her parents don’t get on well.. “ I really want to be my daddy’s good girl. But it seems he just doesn’t understand. He talks to me but doesn’t listen to me,” said Zhang Li, a student from Grade Three.
Do you and your parents also have problems?
A study last year showed that 1500 Beijing families had the same problem as Zhang’s family. The children, 12 to 15 years old, didn’t like talking with their parents much. They weren’t happy at home. Of course, lots of other children feel that way. But you and your parents will be much happier if you can be friends. Here are some ways to have a good talk with your parents: find a good time to talk, like when you’re eating dinner, going out for a walk or watching TV. Tell them something you’re interested in, or ask them about their lives when they were young. They love to talk about that! Listen to them carefully, and look at them in the eyes.
If you try these ways, you will probably get on better with your parents.
根据以上内容，完成小题，每空一词。
【小题1】From the passage, the closest people to you in the world are your _________.
【小题2】Zhang Li’s problem is that she and her father don’t_________each other.
【小题3】You and your parents will be much _________ if you can be friends.
【小题4】You should tell your parents something that you show great_________ in.
【小题5】The passage shows the ways about how to get on _________with your parents.