如图所示.闭合电键S.两灯均不亮.若电路中只有一处故障.且只发生在灯L1或L2上.现用一根导线并接在L1的两端.两灯仍不亮.正确的判断是 A．灯L1断路B．灯L1短路C．灯L2断路D．灯L2——青夏教育精英家教网——

如图所示，闭合电键S，两灯均不亮。若电路中只有一处故障，且只发生在灯L₁或L₂上。现用一根导线并接在L₁的两端，两灯仍不亮。正确的判断是 ( )

A．灯L₁断路

B．灯L₁短路

C．灯L₂断路

D．灯L₂短路

如图所示，开关S闭合时，可能发生的现象是（）

A．L₁被烧坏	B．L₂不发光，L₁发光
C．电池被烧坏	D．L₂被烧坏

如图所示的电路，当开关S闭合时，下列说法中正确的是（）

A．L₁不亮，L₂亮，电流表不会损坏

B．L₁ L₂都不亮，电流表不会损坏

C．L₁ L₂都不亮，电流表会损坏

D．L₂不亮，L₁亮，电流表会损坏

把甲、乙两段电阻线两端加上相同的电压，甲线中的电流大于乙线中的电流，忽略温度的影响，下列判断中错误的是（）

A．当它们材料、粗细都相同时，甲线长乙线短

B．当它们材料、长度都相同时，甲线粗乙线细

C．当它们长度、粗细都相同时，两线的材料一定不同

D．甲、乙两电阻线的材料、长短、粗细不可能完全相同

在探究电路的电流规律实验时用了如图中的某个电路，已知R1=R2<R3，电流表的读数分别是：A1为0.3A，A2为0.15A，A3为0.45A。测量时的电路图应是（）

如图所示，电路连接正确的是

—Can you come to dinner with us this evening, Zhao Ming?
— _______.

A．Sure, I'd love to	B．No. That'll be too tired
C．I'll stay at home	D．It’s really kind of you

I am going to have a party tomorrow night. I told my mother that she needn’t do 42 for me. My friend Jane is coming, too. She would like to help me, 43 she can’t. Because she has a piano lesson in the morning and in the afternoon she has to babysit her sister. So I will do everything by myself. I try to make 44 party nice.
I sent invitation to my friends 45 . Now I am thinking about what I need to do tomorrow. Yes! I have to clean the room and do some shopping. I am going 46 some food, drinks and some fruit in the supermarket. I am going to make a shopping list 47 I go. I also have to decorate（装饰）the room. I need to do so many things, so I 48 see the movie “Da Vinci Code” after lunch. A terrible thing! The party begins 49 8 pm, so I must have my dinner 50 . I am tired after I finish 51 so many things and after dinner I can have a short rest.

A．yesterday	B．tomorrow
C．tomorrow morning	D．the day after tomorrow

Do you know the Chinese saying “He who doesn’t reach the Great Wall is not a true man”? Mr. White knows it. Next month he is going to Beijing with his wife. They are going to visit the Great Wall. They are staying in Beijing for about a week. They have a lot of Chinese friends there, so they are visiting them. Then they’re flying to West Lake in Hangzhou. They are going boating there and staying there for about three days. Mr. White knows that the Yellow Mountain is very famous in China. So they’re going to Anhui to go hiking in the great mountain. After two days in Anhui they’ll have to go back to Sydney.
“I’m taking lots of photos in China. When I get back to Sydney, I am going to show the photos to my friends. I want my friends to know more about China.” said Mr. White.
【小题1】Who is Mr. White going to China with?

A．His friends.

B．His parents.

D．His children.

【小题2】Mr. White is staying in Beijing for about .

【小题3】Mr. White is in Hangzhou.

A．going boating

B．going hiking

C．going camping

D．going swimming

【小题4】Mr. White is from .

【小题5】From the passage we can learn that .

A．Mr. White is going to China next week

B．Mr. White has many friends in Beijing

C．Mr. White is going to visit the Yellow River

D．Mr. White is staying in Anhui for a week

【小题1】Sunny English Club is for .

C．businessman

【小题2】You will pay if you want to stay in the English club for a year.

【小题3】You can visit Ocean Museum .

A．on Saturday	B．on Monday
C．on Wednesday	D．anytime

【小题4】One can get free examinations in Health Center if he is .

【小题5】If you want to know the life of the fish, you should go to .

A．Health Centre	B．Ocean Museum
C．Sunny English Club	D．16 Young Le Street

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