Laboratory　work　is　your　chance　to　learn　science　firsthand.　It　can　be　fun　but　you　must　be　careful　to　prevent　injury.　Listen　closely　when　your　teacher　reads　and　explains　the　rules　before　your　first　lab　lesson.

    LABORATORYRULES

    Throughout　the　lesson

    ·Do　not　enter　the　science　lab　without　the　teacher’s　permission.·No　food　or　drinks　are　to　be　alowed　in　the　science　lab.

    Before　the　Experiment

    ·Read　al　instructions　carefuly　before　every　experiment.

    ·Prepare　al　apparatus（仪器）and　arrange　them　so　that　you　wil　not　knock　them　over　while　doing　the　experiment.

    During　the　Experiment

    ·If　you　are　unsure　of　how　to　use　any　apparatus　or　how　to　operate,　ask　your　teacher　for　help.·Never　smel　or　taste　chemicals　unless　your　teacher　gives　permission.

    After　the　Experiment

    ·Wash　al　apparatus　after　use　and　return　them　to　the　places　where　they　were.

    ·Throw　waste　materials　in　proper　waste　baskets.　　　　First　Aid　　　　

    ·Report　al　accidents　to　your　teacher　immediately.

    ·If　you　spil（ 溅 出 ）any　chemicals　onto　your　body　or　clothing,　wash　with　plenty　of　water　and　report　to　your　teacher.

   1.　Your　teacher　wil　probably　tel　you　the　rules　above　_____　the　first　lab　lesson.

    A.　before　　　　　B.　since　　　　C.　during　　　　D.　after

2.　Before　every　experiment,　you　should　_____.

    A.　taste　the　chemicals　first

    B.　clean　al　the　apparatus

    C.　read　al　instructions　carefuly

    D.　report　al　the　accidents　to　the　teacher

  3.　When　you　are　not　sure　how　to　use　al　apparatus,　_____.

    A.　try　them　on　your　own

    B.　read　the　rules　carefuly

    C.　ask　your　teacher　for　help

    d.　put　them　back

 4.　It　is　clear　that　you　can　_____.

    A.　 bring　food　into　the　lab

    B.　enter　the　lab　anytime

    C.　smel　chemicals　as　you　like

    D.　learn　science　directly　in　the　lab

    5.　If　you　get　chemicals　on　the　clothing,　you　can　find　ways　to　solve　it　in　the　part　_____.

    A.　Before　the　Experiment

    B.　First　Aid

    C.　During　the　Experiment

    D.　After　the　Experiment

 

　The ladies club(妇女俱乐部) always   l  　a meeting   2  　Friday afternoon and someone came to talk to them about   3  . After that, they had tea and asked　  4  .

    One Friday a man came and talked to the club about the food problem. “There's not 5 food in the world for everyone,” he said. “More than half of the people in the world are hungry. And when they have   6  　food, they have more babies,   7  　they never   8   being hungry. Somewhere in the world, a woman is having a baby every minute day and night. What are you going to do about it?” He   9  　for a few seconds. Then one of the ladies said, “Well, why not   10   that woman and stop her?”

1.A. held 　　　 B. made 　　　 C. took 　　　 D. left

2.A. in 　　　　 B. at 　　　　 C. on 　　　　 D. for

3.A. something important             B. everything important

C. nothing important               D. anything important

4.A. problems　　 B. questions C. the man　　 D. the ladies

5.A. good　　　　 B. clean　　　 C. enough　　　D. pleasant

6.A. better 　　　B. more 　　　 C. less 　　　 D. fewer

7.A. but 　　　　 B. since　　　 C. as 　　　　 D. so

8.A. stop 　　　　B. enjoy 　　　C. like 　　　 D. keep

9.A. waited　　　 B. asked　　　 C. looked　　　D. played

10.A. see 　　　　B. look 　　　 C. find 　　　 D. watch

 

One day Jack met his good friend Sue in the park.A dog was looking up at the woman beside her.
　  Jack walked up to Sue and said, “Hello, how are you? May I sit and talk with you for a moment?” “Of course, please sit down,” Sue said.Jack sat down next to Sue on the bench, and they talked quietly together.The dog continued to look up at Sue, as if( 似乎) waiting to be given some food.
　 “That's a nice dog, isn't he?” Jack said, pointing at the animal.
　 “Yes, he is.He's handsome.He's strong and healthy.”
“And hungry,” Jack said.“He hasn't taken his eyes off you.He thinks you've got some food for him.”
　 “That's true,” Sue said.“But I haven't.”
　　They both laughed and then Jack said, “Does your dog bite（咬）?”
　　“No, ”Sue said, “ He's never bitten anyone.He's always gentle and friendly.”
　　Hearing this, Jack decided to hold out his hand and touched the animal's head.Suddenly it jumped up and bit him.
　　“Hey!” Jack shouted.“You said your dog didn't bite.”
　　Sue answered in surprise, “Yeah, I did.But this is not my dog.My dog is at home.”
【小题1】Jack and Sue were ________.

A．friends

B．neighbours

C．classmates

D．brother and sister

【小题2】The dog looked at the woman because _______.

A．the woman wanted to feed him	B．the woman was friendly
C．he was strong and healthy	D．he was hungry

【小题3】Jack touched the dog because he believed _______.

A．the dog was handsome	B．Sue's dog was unfriendly
C．the dog belonged to Sue	D．Sue's dog was at home

【小题4】We can guess from the story that _______.

A．Sue gave a wrong answer	B．Jack made a mistake（错误）
C．the dog wasn’t dangerous	D．both Jack and Sue liked the dog

【小题5】Which of the Following can be the best title of the passage?

A．A Wrong Question	B．Sue's Dog
C．A pleasant talk	D．Sue's Friend

阅读短文并回答问题．

　　A young American doctor is sleeping when suddenly his doorbell begins to ring. It is midnight now, but what could the doctor do? He should get up, put on his coat and go downstairs(下楼).

　　When he opens the door, he sees a man standing with a hat in his hand. “Can you come at once to a place out of town? I can show you the way.” The man says. “Certainly.” says the doctor. After a few minutes the car is standing at the front door.

　　They are driving on for a long time. Then the man says, “Here we are. This is my home. Now I can pay you and you can go back to town.”

　　“What?” The doctor asks.

　　“You see, there are no taxis at this time of the night, but a doctor often makes night calls, so excuse me. Here is your money. Thank you, doctor. Good night.”

1．What does the man ask the doctor to do?

2．Ts the man ill?

3．Is the doctor happy at last?