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。框中有两个为多余的单词或短语。

feel at home             motivate             strength                  expose                  consist of     regardless of            subscribe to          consume                 adapt to               cooperate

1. By the time he decided to come back to China, he found that he ________ the life in the USA.
2. John’s ________ for learning is to fulfill his dream to be a scientist one day.
3. I believe studying abroad can help you________ your abilities in cross-cultural communication .
4. There is convincing evidence of a link between ________ to sun and skin cancer.
5. In America, a typical lunch may________ a burger or sandwich, a vegetable or fruit salad, a dessert and a cup of cola or coffee.
6. All ethnic groups, ________ their population, have the same legal status and enjoy various rights according to the law.
7. After this event, John no longer ________ the view that the disabled are unsuitable to be teachers.
8. Nowadays, people prefer household appliance with higher efficiency and less energy ________.

2 . 根据句意，选择短语并以其适当形式填空。

1. Remember: little steps ________ big dreams.
2. Perhaps you think you could easily ________ your happiness with more money.
3. Will you ________ more sugar ________ your coffee？
4. Let’s ________ all our money and see if we have enough for the bill.

3 . 用所给词的适当形式填空。

urgent        practice        behave        consume        adapt       massive generally speaking        regardless of        prior to        feel at home

1. We will do our best to make you ________.
2. He ________ as if nothing had happened to him.
3. The program teaches students many ________life skills.
4. It took him almost a year ________ himself to his new surroundings.
5. They continue to work in the field ________ the fact that it was raining.
6. ________ leaving for America, she paid me a visit and we chatted a lot.
7. A small vehicle will ________ less fuel.
8. ________, expensive smart phones have better cameras.
9. Seen from the train window, the mountains and forests of Canada look________.
10. He was in ________ need of medical attention.