1 . 根据语境，选择下框中的单词或短语，必要时用正确的形式填空。框中有两个多余的单词或短语。

prove       aim       original       range       previous to       belief   fade away       puzzle       equip （…） with       relief       account for       occasion

1. ________ new scientific methods, the researchers made some breakthrough at last.
2. The activities ________at improving the students’ speaking abilities are well-received.
3. The show had a large audience, ________ from children to grandparents.
4. ________ this, scientific experiments did not show a definite link between mobile phone use and cancer.
5. There was a________ look on her face because she didn’t know what these different names meant.
6. In modern human, the brain ________2%- 3% of total body weight.
7. All memory of her childhood had ________ from her mind.
8. This new pop song reminds me of an old song that was ________ sung by Billy White but later made popular by another singer.
9. Many people hold a strong ________ that the cure for cancer will be found one day.
10. ________, I would read a novel that was assigned, but I didn’t enjoy this type of reading.

2 . 选词填空

respond   tension   graduate from   illustrate   occasion   energy

1. The girl was sitting on the couch, reading a book, and ______ reaching for the water on the tea table.
2. His grandfather, born in September 1950, ______ Tsinghua University in 1981.
3. Keeping a proper balance between study and rest keeps us ______.
4. She made no ______ to the question raised by her angry boss.
5. As this ______ shows, it is now man that is man’s worst enemy.
6. With the argument going on, the atmosphere in the meeting was getting more and more ______.

3 . 根据句意，选择下列单词填空，注意使用正确形式，其中有2个词为多余词。

creative, fortune, occasion, approach, appeal, range, reflect

1. With the final exam ____________, all the students are revising their lessons.
2. The national park has a large collection of wildlife, ____________ from butterflies to elephants．
3. Mrs Southern listened carefully, breaking in with some questions ____________.
4. ____________ , the rescue team arrived in time and helped the workers out of the mine.
5. Any given culture is a ___________ of the politics and economics of a given society．

4 . 用方框中单词的适当形式完成下列句子，每个单词只能用一次。

graduate   contribute   produce   science   demand   recycle   occasional

1. I have so many great memories, but one particular occasion is the day of my ________ .
2. Climbing is physically ________ .
3. Einstein was awarded the Nobel Prize for his ________ to Quantum Theory.
4. ________ we go out to restaurants, but mostly we eat at home.
5. Plastic bottles can be ________ into clothing.
6. The country is totally self-sufficient in food ________.
7. If you do something in a ________ way, you do it carefully and thoroughly, using experiments or tests.