1 . 请根据语境，用方框内短语的正确形式将句子补充完整，每个短语只用一次。

make a difference     look forward to     work out   rather than   go through       date back to             in shock       as if     turn to   be concerned about

1. The art of paper cutting in China ________the sixth century.
2. He still keeps positive after ________so many difficulties.
3. He prefers to do sports in the gym every weekend ________play computer games at home.
4. To make his dream come true, he keeps a healthy diet and ________regularly to be physically fit.
5. My kids are ________being taken to the zoo this weekend.
6. As a teacher, I am confident that I can ________to the lives of my students.
7. To avoid destroying the heritage, the government ________the United Nations for help in 1959.
8. She looked at her husband ________, waiting for him to explain what happened.
9. After the terrible earthquake, it seemed ________the world were coming to an end.
10. I ________the African elephants, so I wonder what you know about them.

2 . 选择单词、短语完成句子

A. breaking down,   B. appeals to,   C. by contrast, D. lost her appetite, E. vary from...to,   F. appropriate,   G. witnessed   H. absence   I. instantly J. preference

1. Sign languages _________________________ country, and many are not well known internationally.
2. The book was written in a style   ________ to the age of the children.
3. When you look at their new system, ours seems very old fashioned ________.
4. Anyone who ________ the attack should call the police.
5. Women’s sports are ________ the barriers in previously male-dominared domains (男子占主导地位的领域).
6. The teacher demanded an explanation for his ________ from the rewarding activity held in the lecture hall yesterday.
7. Believe it or not, I decided to adopt the adorable cat ________ I saw it.
8. What ________ me is that the essay has a perfect structure.
9. One reason for her ________ for city life is that she can have easy access to some entertainments.
10. My poor mother caught a terrible cold and hence she________.

3 . 请根据上下文选择合适的单词或短语填入相应的空白处，注意：必要时要变换形式。

for instance,   do his part,   set him apart from,   in contrast to,   be committed to, academic,   ambitious,   career,     commitment,   contract,     decade, distract,     furniture,     fortune,     incredible,     conservation

When young, Jack was very     1    , who worked     2    hard on scientific research. He     3     his career and barely     4     his attention to other things. After a couple of     5    , he made a big     6     and won a good fame in the     7    field. However,     8     most successful people, he is leading a simple life.     9    , he still lives in a small room with little     10    now. Last week, he signed a     11     with a charity concerned about    12    . He gave away all his money to the charity to     13     in environmental protection. It is his     14     to our environment that     15     other ordinary people.