1 . which引导非限制性定语从句
我擅长英语口语，这使我可以很好地与外国人交流。(汉译英)

2 . Tu Youyou was awarded the Nobel Prize, ________ is considered one of the highest international honors a person can receive. (用适当的词填空)

3 . The company was willing to provide us with what we needed, ________ made us excited.

A．what

B．it

C．which

D．that

4 . 阅读下面材料,在题后空白处填入适当的内容（每空一词）或括号内单词的正确形式。

In many films, whenever Earth faces a disaster, the     1    （solve） is always fleeing the planet    2     spaceship. But now the Chinese sci-fi movie, The Wandering Earth       3    （offer） a different and     4    （encourage） idea. In the film, Earth is being destroyed by the dying sun. In response, humans around the world work together     5     (build) a giant engine system,     6    will push Earth away from the sun. This"ambition" didn't come from nowhere. Up to now “homeland”     7     (have) a soft spot in the hearts and minds of Chinese people. This special cultural background     8    (probable) makes The Wandering Earth different from other films.

The film was released on Feb 5, the first day of Chinese New Year. It was     9     time when many people had just made the hard journey back to     10    (they) hometowns. So there is only one possible way to tell the story： Earth goes wherever humans go,because it's our home.

5 . By now, we have raised 50.000 pounds for the poor children, ______ is quite unexpected.

A．that

B．which

C．who

D．it

6 . I have bought two ballpens，________ writes well.

A．none of them	B．neither of them
C．neither of which	D．none of which

7 . As a child, Jack studied in a village school，_______ is named after his grandfather．

A．which

B．where

C．what

D．that

8 . He made another wonderful discovery, ________ of great importance to science.

A．which I think is	B．which I think it is
C．which I think	D．I think which is

9 . Whenever I met her，________ was fairly often，she greeted me with a sweet smile.

A．who	B．which
C．when	D．that