题目内容
Living in the mountain area has its problems, ________ obtaining water is a big problem.
| A．of which | B．for what | C．as | D．whose |
A
解析试题分析：考查非限制性定语从句。句意：居住在山区有许多问题，找到水源就是其中一个很大的难题。what不用于定语从句，whose作定语，后常跟一个名词，排除B、D；as引导非限制性定语从句，作主语或宾语，这里不缺少成分，排除C；obtaining water和problems是从属关系，应该用of which引导定语从句，故选A。
考点：考查非限制性定语从句
China's population is expected to increase to about 1.5 billion in 2040, ______it will start to decline slowly.
| A．where | B．which | C．on which | D．after which |
This nationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we've done to the environment.
| A．have reflected | B．are reflecting | C．will reflect | D．reflected |
John agreed to the suggestion that his students _____ two weeks to prepare for the exam.
| A．give | B．should give | C．be given | D．must be given |
I received a letter， poor spelling made me think it was written by a child．
| A．which | B．that | C．whose | D．who |
—It is said that Mr Wang has won first place in the English contest for teachers.
—________ and ________ one day.
| A．So has he; so will you | B．So he has; so you will |
| C．So he has; so will you | D．So has he; so you will |
It was the surprising degree of accuracy that the old man predicated with_______ shocked the public.
| A．how | B．that | C．who | D．which |
No sooner ___ down on bed ___ the telephone rang.
| A．had he lain; than | B．had he lied; when | C．did he lie; than | D．had he laid; before |
others think about you isn’t important. The key is you should be self confident.
| A．What; that | B．How; why | C．How; that | D．What ; why |