2. 外语
  3. Some cities have passed laws that allow coal and oil______only if their sulfur content is low.

Some cities have passed laws that allow coal and oil______only if their sulfur content is low.

admin2013-12-08  31
问题 Some cities have passed laws that allow coal and oil______only if their sulfur content is low.
选项 A、burning
B、to burn
C、being burned
D、to be burned
答案D
解析 本题为单词用法题。动词allow的用法为allow somebody to do something或者allowsomething to be done。所以本题答案为D)。句意为“有些城市通过法律，只允许硫含量低的煤或者油用来燃烧”。
转载请注明原文地址:https://kaotiyun.com/show/KfDO777K
0

成人本科学位英语

相关试题推荐
随机试题
最新回复(0)