【连线题】Match the underlined parts of the sentences with their definitions.

A、What are the most efficient energy-saving measures of air-conditioning systems in public places?

B、Nuclear fission reactors should be deployed and used to generate electricity from nuclear fuel for civilian purposes.

C、Solar power provides an alternative to conventional energy resources.

D、America’s anti-pollution efforts should focus on privately owned hybrid cars.

【填空题】Complete the sentences with the appropriate words in the ban swamp response distracting immediate frequent figure out A: Have you heard that our company is going to 1. E-mail? B: Really? They should give a second thought on this matter. A: Actually, I'm in favor of their decision because I'm 2. by e-mails in my work time. B: But, e-mail docs make things easier for I can choose when and to whom to give a(n)3.____. Phone calls and voicemails are more 4. which always need 5. answer A: But you can't avoid the 6.. incoming letters which interrupt your thoughts now and then. B: That's just one aspect of this complicated matter. Personally, I think e-mail is still the most powerful tool in business communication. At least, it saves paper and money. A: Well, you can hold your opinions. Maybe we have to 7. what to do without e-mail.

Rewrite the sentences by using “verb-ing” as the subject. 1. It is important to collect the customers’ data after the business trip. __________________________________________________________ 2. It is no good writing to her. She never answers. __________________________________________________________ 3. It is a waste of time persuading such a person to join us. __________________________________________________________ 4. It takes about half an hour to travel from Beijing to Tianjin by the intercity railway. __________________________________________________________ 5. It is dangerous using this method to measure the speed of light. __________________________________________________________

Complete the sentences with the appropriate words in the box. whoever wherever whatever however whenever whichever 1. Do you want to do; it is none of my business. 2. The films reflect the perspective of is behind the camera. 3. road you take to Rome, you will need to drive carefully. 4. we go, local people have always surprised us with creative and featured dishes. 5. late it is, you must come to the party because it will be something fantastic. 6. You can come to our town you want. You are always our honored guest.