2.Water can give off a lot of heat without big in temperature.

A exchange B. change C. for exchange D for a change

3. I'm very sorry to have you with so many questions on such an occasion.

A. impressed B contacted C. attracted D bothered

4. , people are beginning to realize how serious the situation is.

A Fortunate B Unfortunately C Fortunately D Unfortunate

5. What he said sounds .

A nicely B pleasantly C friendly D well

6. How can I you, Mr Green?

A contact B contact with C contact to D contact for

7 I mustn't displease my boss because I can't to lose the chance to make big money here.

A offer B afford C help D expect

8. Nigara Falls is a great tourist which draws millions of visitors from all parts of the world every year.

A interest B attraction C view D scene

9. The beautiful park is of the zoo.

A east B the east C to east D at the east

10. The United States, Britain, New Zealand and so on are countries.

A speaking- English B English-speaking

C spoken-English D English-spoken