题目内容
Thes chemical ,_______to kill biological organisms ,are unsafe and oten not specific in their targets .
- A.having designed
- B.to design
- C.designing
- D.designed
这题考查过去分词的用法,be designed to do,“被设计做…”,design和chemical是被动的关系,句意是:被设计来杀死生物有机体的化学物质是不安全的,不能完全针对它们的目标。选D。
| 完形填空。 | |||
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The mountain town of Canton is at an elevation(海拔) of | |||
| ( )1. A. shaded ( )2. A. plants ( )3. A. planted ( )4. A. mountain ( )5. A. safely ( )6. A. for ( )7. A. causes ( )8. A. pretty ( )9. A. enlarged ( )10. A. nearby ( )11. A. start out ( )12. A. operating on ( )13. A. with ( )14. A. them ( )15. A. Government ( )16. A. possible ( )17. A. social ( )18. A.loan ( )19. A. But ( )20. A.big |
B. circled B. animals B. refreshed B. brush B. dangerously B. when B. problems B. fairly B. enriched B. far B. put out B. looking forward to B. by B. their own B. Officials B. important B. private B. borrow B. And B. large |
C. surrounded C. grasses C. cut C. town C. conveniently C. because C. reasons C. so C. abandoned C. distant C. go out C. carrying out C. about C. themselves C. Residents C. likely C. public C. lend C. So C. great |
D. covered D. trees D. removed D. village D. possibly D. whether D. matters D. that D. cleared D. near D. remove out D. working on D. from D. they D. Peasants D. necessary D. native D. pay D. Or D. little |