问题
单项选择题
丝虫的中间宿主为
A．人
B．蚊
C．蝇
D．狗
E．白蛉
答案
参考答案：B
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丝虫的中间宿主为
A．人
B．蚊
C．蝇
D．狗
E．白蛉
参考答案：B
| 完形填空。 | |||
| One day an old man went into a cafeteria (自助餐厅) to eat in America for the first time. He sat down at a table and __1__ for someone to take his order. Of course, __2__ did. Finally, a woman with a plate full of food sat down opposite him and told him __3__ a cafeteria worked. "Start out at that end," she said. "Just go along the line and __4__ what you want. At the other end, they'll tell you how much you have to__5__ ." "I soon learned that's how everything __6__ in the US," the old man later told a friend. "Life is a cafeteria here. You can get anything you want __7__ you are willing to pay the price. You can even get success, but you'll never get it if you wait for someone to __8__ it to you. You have to get up and get it yourself." In fact, __9__ everywhere is like a cafeteria. Don't wait for things to happen to you. Success lies in your own __10__ . | |||
| ( ) 1. A. asked ( ) 2. A. somebody ( ) 3. A. how ( ) 4. A. send out ( ) 5. A. buy ( ) 6. A. works ( ) 7. A. if ( ) 8. A. carry ( ) 9. A. food ( ) 10. A. work | B. left B. everybody B. what B. give out B. pay B. takes B. because B. lend B. life B. hands | C. called C. nobody C. where C. pick out C. give C. needs C. though C. move C. money C. opinion | D. waited D. anybody D. why D. look out D. choose D. keeps D. until D. bring D. success D. books |
