2 . High speed trains are seldom delayed or cancelled due to weather conditions. ________, they have become the first choice for many passengers.

A．Besides

B．However

C．Therefore

D．Otherwise

3 . People who lack adequate housing are found in every country of the world and, ________, in almost every community.

A．indeed

B．otherwise

C．however

D．therefore

4 . We took some effective measures to change the financial condition of our company. ________, it would have got worse.

A．Otherwise

B．Therefore

C．Meanwhile

D．However

5 . 他们在太空工作时,不得不将所有的东西都用胶带粘住,因为不这样的话,他们就会飘走。
Astronauts have to use tapes to stick everything down________ ________in space________everything would float off ________.

6 . 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。框中有两个单词为多余单词。

sharp       hesitate       precious       otherwise       earn a living recycle       select       assist       carry on       indeed

1. During the gold rush, ________, some Chinese opened up shops and restaurants in Chinatown in San Francisco.
2. As the first woman ________ to make a trip into space, Tereshkova felt lucky and proud.
3. Despite the difficult situation, Dr Bethune did whatever he could ________ the Chinese people.
4. Astronauts have to use tape to stick everything down while working in space because everything would float off ________.
5. In space, astronauts collect all dirty water so that it can ________ for later use.
6. Many Americans complained about the ________ increase in the cost of health care and health insurance recently.
7. After ________ for several moments, Gary finally went into the expensive tailor’s shop and asked to see the suit in the window.
8. To a person nothing is ________ than their life.

7 . 根据句意内容，从方框中选出正确的选项，完成下列句子。

A. folding     B. attempt     C. otherwise     D. generous     E. have yet to

1. You’d better go now, ________ you’ll miss the train.
2. His first unsuccessful ________ didn’t stop him moving forward.
3. My deskmate is always ________ with his time when I turn to him for help.
4. Follow the instructions and you can make the shape of a fish by ________ the paper.
5. The details of the contract ________ be corrected and need to be fully discussed later.

8 . 请用方框中所给词汇或短语的正确形式完成下列句子。

impress          found          relieve            justify            most            otherwise science          succeed in          aware of            in honour of

1. You should always avoid fallen power lines after a storm,___________ you might get hurt.
2. The helpful tour guide made us___________the history of the places we visited.
3. It is difficult to___________someone wasting food when other people are hungry.
4. At the end of a___________experiment, it is important to summarise the results.
5. Jane, one of the___________of the foundation, is determined to bring healthcare technology to market for developing countries.
6. The night ended with a(n)___________firework show that everyone enjoyed.
7. The painting is___________made of different shades of yellow, with a little orange and green thrown in.
8. It is still not known if Mallory___________reaching the top of Qomolangma before it took his life.
9. A monument was built ___________the war heroes.
10. To date, the charity has provided___________for over 150, 000 refugees.

9 . You’ll never speak English well________you often practice it.

A．unless

B．if

C．or

D．otherwise

10 . He never complains about the difficulties he has in life. ________, he always has ways to overcome them.

A．However

B．Otherwise

C．Instead

D．Therefore