1 . Guide books are prepared to suit the convenience of the traveler, ________ routes round a city or a site are often suggested.

A．for which	B．for whom
C．with which	D．with whom

3 . There are 102 elements in nature, most of ___________ are metals. (用适当的词填空)

4 . The old woman has two sons, both of ______are doctors.

A．them

B．who

C．whom

D．whose

6 . With the help of the organization, she was able to secure the benefits, however small, ______ she was entitled under the law.

A．which

B．where

C．to which

D．of which

7 . 填入适当的关系词
1. -Are you familiar with the music?
- Yes. There was a time _____ this kind of music was quite popular.
2. This activity was warmly welcomed by students, all of _____ considered it helped to arouse their learning interest.
3. The moment when you are feeling sad, read what you wrote previously, _____ will help uplift your spirits.
4. The band (乐队) was very popular ten years ago, most of _____ members were in their twenties.
5. I would like to buy the same book _____ she is reading.

8 . The growing speed of a plant is influenced by a number of factors, _____ are beyond our control.

A．most of them

B．most of which

C．most of what

D．most of that

9 . English is a language shared by several diverse cultures, each of ________ uses it somewhat differently.

A．which

B．what

C．them

D．those

10 . （2016·浙江）Scientists have advanced many theories about why human beings cry tears, none of ________has been proved.

A．whom	B．which
C．what	D．that