4 . 根据句子语境，选用方框中单词填空。

academy       objective       evaluate       encounter       secure       routine

1. These smart homes will keep us ________, save us energy, and provide a more comfortable environment to live in.
2. Your home will also learn your daily ________and preferences, so everything will be ready for you when you get home each evening.
3. In 1967, the Chinese government formed a team of scientists with the________ of discovering a new treatment for malaria.
4. Her team examined over 2,000 old medical texts, and ________280,000 plants for their medical properties.
5. All incoming students at the ________are required to take a college writing class in their first term.
6. In fact, Einstein often ________people on the street who would stop him and ask him to help explain things.

5 . 选择适当单词填空，使句意合理。(有一个多余选项)

integrated   potential   detect   prohibit   artificial secure   ongoing   liquid   signal

1. Colorful pictures are ______ into the text to make the book more informative.
2. You must ______ which way you are going to turn.
3. On the surface she seems quite a pleasant woman, but there’s something very ______ about her.
4. The new test should enable doctors to ______ the disease early.
5. Only in the mid-1990s did efforts to reduce the ______ violence achieve some success.
6. She screamed as the boiling ______ burned her skin.
7. It’s wrong to regard all soccer fans as ______ trouble-makers—it’s only a small minority who are responsible for the violence.
8. Leaders of all states continued their efforts to ______ a ceasefire.

6 . 根据语境，选择下框中的单词替换句中划线部分的单词，使之意思一致。

A. buffeted        B. secure       C. adopt        D. crucial          E. available

1. It is advisable for people to take regular exercise，for it is vital to people’s physical and mental health.
2. With the Dragon Boat Festival approaching, I’d like to invite you to my family get-together on 25^th June if you are free.
3. The rain beat the window heavily. I couldn’t fall asleep at all.
4. We must protect ourselves against the dangers of the coming storm.
5. China is ready to take measures to promote the progress of its new high-tech companies.

7 . 从词汇框中选择合适的单词完成句子。

adjusted       absence       secure       appetite       intense       gradually gentle       distinct       wandered       prospect       flavor       barrier

1. When something is ________, it is easily identifiable or set apart from others of its kind.
2. I always try to get down to my child’s level, and speak to him in a soft and ________ voice.
3. With the coming of spring, everything is ________ coming to life again.
4. It makes me feel ________ to know you’re there and I can depend on you.
5. This activity shows that a plant cannot make its own food in the ________ of sunlight.
6. He sat back for a moment, heart beating fast at the ________ of that he would be on the stage at once.
7. Although my eyes were on the test paper, my thoughts ________ to my failures and all the battles that seemed hopeless.
8. Though my ________ for food grew weak, my hunger for books was constant.
9. Failing English is a ________ to getting into Harvard.
10. As the time passed, my eyes gradually ________ to the darkness and soon I was able to see the tree line against the night sky.