问题
填空题
在生态系中______与______之间，主要是吃与被吃的关系，这就是食物链．
答案
在生态系统中，各种生物之间由于食物关系而形成的一种联系，叫做食物链．动植物之间就是通过食物链相互联系起来的，动植物之间是吃与被吃的关系，各种食物链相互交织形成食物网．植物属于生产者，动物属于消费者．
故答案为：生产者；消费者
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在生态系中______与______之间，主要是吃与被吃的关系，这就是食物链．
在生态系统中，各种生物之间由于食物关系而形成的一种联系，叫做食物链．动植物之间就是通过食物链相互联系起来的，动植物之间是吃与被吃的关系，各种食物链相互交织形成食物网．植物属于生产者，动物属于消费者．
故答案为：生产者；消费者
| 完形填空。 |
| Many years ago, I was fresh out of school and working in Denver. I 1 to my parents' home in Missouri 2 Christmas when my car almost ran out of gas. I stopped at 3 gas station about 50 miles from Oklahoma City. I was planning 4 and visit a friend there. While I was standing in line at the cash register (收款台), I said hello to an older couple (夫妇) 5 were also paying for gas. I drove away, 6 had gone only a few miles when black smoke came from the back of my car. I stopped and wondered 7 I should do. A car stopped behind me. It was the couple I had spoken to at the gas station. They said they 8 me to my friend's. When I got home, I wrote him and his wife a thank-you note for helping 9 . Soon afterward, I received a Christmas present from them. Their note that came with said that helping me had made their holidays 10 . "Thank you" —two powerful words. They're easy to say and mean so much. |
| ( )1. A. drove ( )2. A. for ( )3. A. the ( )4. A. to stop ( )5. A. what ( )6. A. after ( )7. A. what ( )8. A. had taken ( )9. A. I ( )10. A. wonderfully | B. was driving B. at B. an B. stopping B. which B. but B. where B. would take B. mine B. more wonderfully | C. was driven C. in C. a C. stop C. whom C. or C. which C. was taking C. me C. most wonderful | D. would drive D. on D. / D. stopped D. who D. before D. how D. took D. myself D. wonderful |