完形填空,阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项

Scientists study the world and learn about things using a process called the scientific method(方法). By asking important questions and   1   the answers, it is possible to make amazing discoveries! Sometimes a scientist is   2   to answer his own questions, but if he has taken good notes another scientist may come along later who is able to use new knowledge to answer it.

When you use the scientific method to   3   an experiment, you start by making observations(观察) about something that  4  you. Based on your observations, you make a hypothesis. This is using  5  you know to make a smart guess about what you think could happen. Then you are ready to begin your experiment. All   6  your experiment you take down notes, which are   7   experiment date(资料). You are constantly making observations during this time. You may make discoveries that cause you to improve your experiment as you go.   8  , you conclude your experiment and begin to look over your notes to decide what it all means. Based on what you have learned, you make a final statement about   9  your hypothesis was correct or not. You have to have reasons and evidence to support what you are saying.

Using the scientific method can be difficult, but rewarding. Because all the steps are organized in a process, the   10  are more valid(可信的). When you provide observations as evidence to support what you are saying, your ideas are more likely to be accepted.

1.   A. waiting for     B. searching for     C. worrying about     D. complaining about

2.   A. unable        B. sure             C. ready            D. surprised

3.   A. read         B. refuse            C. prevent           D. conduct

4.   A. hurts         B. represents        C. interests           D. attacks

5.   A. what         B. when            C. why              D. which

6.   A. without       B. including         C. except            D. during

7.   A. controlled     B. arranged         C. called             D. carried

8.   A. Obviously     B. Suddenly         C. Finally            D. Mostly

9.   A. whether       B. what             C. how              D. when

10.     A. problem     B. results           C. services            D. aims


阅读理解

How terrible it would be if there was fire!Today is November 9.It’s time for us to learn a lot more about fire,especially what to do if we are caught in a fire:

1. Shout out

If you smell smoke or see fire,shout out“Fire”!Shout as loudly as you can,because people may be asleep.

2. Call 119

Never try to put out the fire yourself,even if it is a very small one!Get help from your parents or call 119.

3. Keep down close to the floor

If there is a lot of smoke in your room,keep down close to the floor.

4. Test the door

Test the door before you open it. If the door is cool,open it carefully. If the door is hot,do not open it!Try to find a different way out.

5. Get out

If you can,get out of your home as soon as possible.

6. Don’t use the lift

Never use the lift during the fire. It may also go wrong.

7. Don’t go back

Never go back into a burning building!

1. The passage is mainly about .

A. how to look after yourself when on fire B. what to do when you are caught in a fire

C. when to leave the burning place D. why to call 119 when it is on fire

2. When people are asleep,what will you do when fire breaks out?

A. Call for help as quickly as you can. B. Wake your parents up fast.

C. Shout out “Fire!” as loudly as you can. D. Run as fast as you can.

3. Why shouldn’t you use the lift when fire breaks out?

A. Because taking the lift is so slow. B. Because the fire can burn you.

C. Because the lift may keep you safe. D. Because the lift may not work.

4. When a fire is burning,you test the door to .

A. find a better way out B. notice the fire clearly

C. call for a much quicker help D. see if it is closed

5. If you leave an expensive thing at home,you should .

A. not go back B. keep down close to the floor

C. not get out D. try your best to get it

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