We sometimes call the lion “the king of the jungle (丛林)” because it is stronger and more dangerous than other animals. It can run faster than many animals and it can hunt (捕猎) the best. It is the highest animal in the   21  food chain (食物链).[

         In the sea, the shark is one of the animals at the  22  of the food chain. It can swim faster than most other sea animals, and it can use its big teeth to eat them.

         What is at the top of the world’s food chain?  23  are! We are not the biggest or fastest, but we are the   24  We could not run faster than cheetahs (猎豹),  so we  25  cars and now we can move the fastest. We could not  26   better than lions, so we invented guns (枪). Now we can hunt the best.

People’s inventions are clever, but they can be dangerous, too. For example, people invented  27 , and now they make the air and rivers dirty. This can make   28  changes. Dirty rivers kill fish.  Then bears cannot eat the fish and the bears die. If we kill one part of the food chain,   29   also die. Remember that we are a part of the food chain, so we are in danger too! If we protect animals, we are protecting   30  ! We should and we could do something for the world!

1.A. land          B. sea         C. mountain       D. desert

2.A. front                  B. end         C. top                   D. beginning

3.A. People      B. Lions      C. Sharks               D. Cheetahs

4.A. strongest                     B. cleverest              

C. most special                        D. most important

5.A. used            B. had           C. made                 D. invented

6.A. fight             B. escape     C. kill                       D. catch

7.A. hotels          B. schools    C. factories           D. hospitals

8.A. great           B. terrible    C. wonderful    D. complete

9.A. one part  B. another part      C. other parts         D. the other parts

10.A. ourself  B. yourselves C. themselves D. ourselves

1 

We sometimes call the lion “the king of the jungle (丛林)” because it is stronger and more dangerous than other animals. It can run faster than many animals and it can hunt (捕猎) the best. It is the highest animal in the   1  food chain (食物链).

In the sea, the shark is one of the animals at the  2  of the food chain. It can swim faster than most other sea animals, and it can use its big teeth to eat them.

What is at the top of the world’s food chain?  3  are! We are not the biggest or fastest, but we are the   4  We could not run faster than cheetahs (猎豹),  so we  5  cars and now we can move the fastest. We could not  6   better than lions, so we invented guns (枪). Now we can hunt the best.

People’s inventions are clever, but they can be dangerous, too. For example, people invented  7 , and now they make the air and rivers dirty. This can make   8  changes. Dirty rivers kill fish.  Then bears cannot eat the fish and the bears die. If we kill one part of the food chain,   9   also die. Remember that we are a part of the food chain, so we are in danger too! If we protect animals, we are protecting   10  ! We should and we could do something for the world!

1.A. land      B. sea     C. mountain  D. desert

2.A. front     B. end     C. top        D. beginning

3.A. People    B. Lions   C. Sharks     D. Cheetahs

4.A. strongest B. cleverest

C. most special           D. most important

5.A. used      B. had          C. made        D. invented

6.A. fight     B. escape       C. kill        D. catch

7.A. hotels    B. schools      C. factories   D. hospitals

8.A. great     B. terrible     C. wonderful   D. complete

9.A. one part  B. another part C. other parts D. the other parts

10.A. ourself   B. yourselves     C. themselves  D. ourselves

Choose the best answer to complete the passage.
You’ve just finished with middle school and you may start wondering, “What is high school like? Is high school a lot  32  middle school? Is it going to be hard to start out in a new place?"
Most high schools in America hold a freshman class  33  school actually starts. When you talk to people in the freshman class, you  34  that a lot of them are feeling just like you are, excited, maybe  35  afraid. Talking about a question of common interest with your classmates could start a new   36  .
The work in high school builds on what you  37  in middle school, and gives you more knowledge of many subjects. So you  38  feel that it’s a bit more challenging. But these challenges can make you feel   39  . And there are many resources (资源）to use if you feel that the work is too much.
At the beginning of high school, you’ll get to know it has more activities than middle school, such as clubs, music groups, and sports teams. These activities may      40  before or after school, or during your free time. 41  this, time management is an important skill in your 42  year.
Middle school teaches you the 43  of study and social skills while high school gives you the chance to learn 44  to be more independent (独立的).It’s all right if you’re nervous 45  . Just be patient and keep  46  . Once you’ve got used to your new independence, you can go farther than you ever imagined.
【小题1】A. the same as       B. different from      C. helpful to
【小题2】A. before           B. after              C. since
【小题3】   A. found           B. will find           C. have found
【小题4】   A. too             B. so                C. a little
【小题5】   A. hobby           B. friendship         C. topic
【小题6】A. are learning      B. will learn          C. have learned
【小题7】A. have to          B. should            C. may
【小题8】A. more bored       B. less bored         C. less excited
【小题9】A. take part         B. take up           C. take place
【小题10】A. Because of       B. Thanks to         C. Instead of
【小题11】A. first             B. second           C. third
【小题12】A. aims           B. pleasure           C. ways
【小题13】A. what           B. how              C. whether
【小题14】A. at first          B. at last            C. at that moment
【小题15】A. doing           B. studying           C. trying

Choose the best answer to complete the passage.

You've just finished with middle school and you may start wondering, “What is high school like? Is high school a lot  32  middle school? Is it going to be hard to start out in a new place?"

Most high schools in America hold a freshman class  33  school actually starts. When you talk to people in the freshman class, you  34  that a lot of them are feeling just like you are, excited, maybe  35  afraid. Talking about a question of common interest with your classmates could start a new   36  .

The work in high school builds on what you  37  in middle school, and gives you more knowledge of many subjects. So you  38   feel that it's a bit more challenging. But these challenges can make you feel   39  . And there are many resources (资源）to use if you feel that the work is too much.

At the beginning of high school, you'll get to know it has more activities than middle school, such as clubs, music groups, and sports teams. These activities may      40   before or after school, or during your free time. 41  this, time management is an important skill in your 42  year.

Middle school teaches you the  43  of study and social skills while high school gives you the chance to learn 44  to be more independent (独立的).It's all right if you're nervous 45  . Just be patient and keep  46  . Once you've got used to your new independence, you can go farther than you ever imagined.

1.A. the same as       B. different from      C. helpful to

2.A. before           B. after              C. since

3. A. found           B. will find           C. have found

4. A. too             B. so                C. a little

5. A. hobby           B. friendship         C. topic

6.A. are learning      B. will learn          C. have learned

7.A. have to          B. should            C. may

8.A. more bored       B. less bored         C. less excited

9.A. take part         B. take up           C. take place

10.A. Because of       B. Thanks to         C. Instead of

11.A. first             B. second           C. third

12.A. aims           B. pleasure           C. ways

13.A. what           B. how              C. whether

14.A. at first          B. at last             C. at that moment

15.A. doing           B. studying           C. trying