（），国务院国批准张家口正式对外开放。

（8分）在“测量小灯泡电功率”的实验中，所用小灯泡的额定电压是2.5V。

（1）连接电路时,开关应__________。(选填“断开”或“闭合”)

（2）请你用笔画线代替导线，将图左中的实物图连接完整。

（3）闭合开关前，滑动变阻器的滑片P应移至     （选填“A”或“B”）端，

（4）正确连接好电路后，闭合开关，调节滑动变阻器，使电压表的示数为    V时，灯泡正常发光，此时电流表的示数如图右所示，其值为  A，小灯泡的额定功率是        W，小灯泡正常发光时电阻是     Ω。

（5）连好电路闭合开关，移动变阻器滑片P，发现小灯泡始终不亮，但电压表有示数，电流表无示数，则故障的原因可能是        （写出一种即可）

下列说法正确的是[ ]

A．微波可以沿地球表面绕射传播

B．在光纤通信中用普通光线传递信息

C．通信卫星的作用就是做微波通信的中继站

D．无线电波的波长越长，相同时间内传输的信息就越多

阅读下面短文，并根据短文后的要求答题（请注意问题后的字数要求）。

[l]Children learn by doing. While children may feel love towards others，they aren' t always sure how to express it. Parents can teach their children to love others by helping them find proper ways to express their care and concern. When they do so，their children will have a better understanding of what loving others really means.

[2]Provide Opportunities: Care and compassion are a part of love.Teach your child to love others by providing opportunities to put love into action. Make a card for a sick friend， bring cookies to an elderly neighbor or volunteer at a local soup kitchen.

[3]Potential: Visit your local library and look for appropriate books that talk about love， care and com­passion. Read stories and point out how characters expressed their love. _____， "How did the characters feel when they felt loved?"

[4]Talk: Coach your child to express his love in different ways. When we feel care and compassion towards others，the appropriate response is to show it. Talk about ways you can show -care and compassion with your child. These may include offering a kind word to a sad friend，helping someone in need，or doing something for someone that they cannot do for themselves.

[5]Considerations: Role-playing can be an effec­tive way to teach children new ideas. To role-play how to love others， set up a situation and act it out with your child. For example， pretend that one of his stuffed toys is not feeling well; ask him what he could do to help his toy feel better.

小题1:.. Complete the following sentence according to the underlined one in Paragraph 2. (no more than 5 words)

You should give your child chances of                  to teach him to love others.

小题2:. What does the underlined word “These” in Paragraph 4 refer to? (no more than 10 words)

小题3:.What's the author's advice for you on role-playing how to love others? (no more than 15 words)

小题4:. Fill in the blank in Paragraph 3 with proper words. (no more than 6 words)

小题5:.. What is the main idea of the text? (no more than 15 words)

享有减免税待遇的纳税人，在减免税期间也应按规定办理纳税申报()

什么叫个人防护器材，它有哪些种类？