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问题 填空题

如图所示，要使灯泡L1和L2串联在电路中，应闭合开关________，断开开关________；若要使L1和L2并联在电路中，应闭合开关________，断开开关________。

答案

S3，S1S2，S1S2，S3

阅读理解

Shop F.Y. – Elisabeth Online Shopping!
Do you want to buy some good things? Do you want to buy them at low prices? Do you want to buy them at home? Do you want to buy them right now?
F. Y. can help you!
There are hundreds of good things for you to choose. Just do it! The thing you need is a computer. Here is the way to buy things online.
1. Choose a kind of thing you want to buy and click on the describing words. For example, if you want to buy a sweater, you can click on the word – clothes.
2. Choose the color and size. If you want a small black sweater, you can click on the words- small and black.
3. You can see a list of small black sweaters with the price. You just click on the sweater you like.
4. Enter your name, address, telephone number and ID card number.
OK! The shop assistant will send your sweater in one day. Isn’t it easy? Enjoy your shopping here!
小题1:This ad is for_____________.
A．a jobB．a shopC．sweatersD．computers
小题2:If you buy something ________, the first thing you need is a computer.
A．onlineB．at schoolC．on TVD．in a shop
小题3:After you find sweaters online, you want a small black one and you can click
on “__________”.
A．clothesB．smallC．blackD．small and black
小题4:What don’t you need to enter into the computer?
A．Your name.B．Your address.
C．Your ID card number.D．Your age.
小题5:What does the underlined word “click” mean?
A．查找B．点击C．选择　　D．勾出
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单项选择题

四格表数据的χ2检验应采取校正公式而未采取时，会导致()

A．视数据差异而议

B．χ2减小，P值增大

C．χ2减小，P值减小

D．χ2增大，P值增大

E．χ2增大，P值减小
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