气候变化和环境问题全球关注。以下做法有利于保护环境的是( )
A．野外焚烧垃圾
B．使用一次性木质筷子
C．大量使用化肥、农药
D．推广使用散装水泥
答案：D
野外焚烧垃圾时产生有害气体,污染大气,A项错误;使用一次性木质筷子可加速树木的砍伐,不利于环境保护,B项错误;大量使用化肥、农药可引起土壤污染、水体污染,不利于环境保护,C项错误;推广使用散装水泥可减少“白色污染”,D项正确。
| 根据对话内容，将方框内符合对话情景的句子抄写在对话的空白处，使对话恢复完整。选项中有两项是多余的。 | |
| A: Exc:use me, l'd like to ask you some questions, Miss Black.____1____ B: Not very big, but I don't think it's small.1 have two brothers. The elder one is married. A: Do your brother aIl his wife have any children? B：Yes._________2_____________ A: Boys or girls? B：A boy and a girl. A: Oh, how lucky they are! B: In China, there are still quite a lot of large families. A:_______3__________Thanks to the "one-child" policy, fewer and fewer families now have more than one child.________4__________ B:______5_______Is your family large? A: No,I have only one sister, but my grandparents also live with us. B: In America, many children live far away from.their parents when they are just 18 0r 19. A: In China, too. More and more young people live far away from their parents when they are
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