Questions 1-6 Choose the appropriate letters A-D and write them in boxes 1-6 on your answer sheet. *

admin2009-05-13  31

问题 Questions 1-6
Choose the appropriate letters A-D and write them in boxes 1-6 on your answer sheet.

*

选项 A、toxic chemicals can pass from air to water.
B、pollution is caused by dishwashers and baths.
C、city water contains insufficient chlorine.
D、household appliances are poorly designed

答案B

解析 Para 4: ... baths, showers ... can all be significant sources of indoor pollution
转载请注明原文地址:https://kaotiyun.com/show/zcVO777K
0

最新回复(0)