问题
单项选择题
通常所指三废污染是（）
A、废料、废物、废食品
B、废铜、废铁、废钢材
C、废水、废气、废渣
D、废品废材废物
答案
参考答案：C
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通常所指三废污染是（）
A、废料、废物、废食品
B、废铜、废铁、废钢材
C、废水、废气、废渣
D、废品废材废物
参考答案：C
| 完形填空 | |||
| In some parts of the world there are large deserts. There are no trees and l water there. Travelers must take food and 2 with them. The 3 animal that can walk through the desert is the camel. 4 can go without food and water for a long time. And besides he can carry heavy loads. People call the 5 "the ship of the desert". The camel is very big. He has one or two humps(鸵峰) on his back,short ears and a long 6 . The camel's humps hold fat, and his stomach holds water in twelve deep pockets. 7 pocket has a mouth which closes, and the food does not mix the water. When the camel 8 some water,he can get it out of the 9 . The camel's food is 10 and leaves of trees. | |||
| ( )1. A. no ( )2. A. milk ( )3. A.just ( )4. A. He ( )5. A. camel ( )6. A. mouth ( )7. A. Either ( )8. A. was wanting ( )9. A. nose ( )10.A. grass | B. any B. water B. other B. They B. elephant B. neck B. Each B. wants B. pockets B. meat | C. not C. meat C. only C. She C. cow C. leg C. All C. is wanting C. mouth C. bread | D./ D. grass D. another D. It D. horse D. nose D. Both D. wanted D. bags D. cake |