1. Producing a dictionary is a very______ job, a large number of hours, months, years are needed for it.
A. time-consuming B. hard
C. difficult D. expensive
2. _______believe that we can preserve the tropical rainforests in the world.
A. Conservationists
B. Consumers
C. Electricians
D. Plumbers
3.______energy is much safer than nuclear power.
A. Sunny B. Solar C. Sun
D. Sunlight
4.The compact disc is covered____a tough coat of plastic.
A. about B. over C. with D. on 5. We have arranged to meet each other______8.00 AM this weekend.
A. with B. on C. at D. in
6. She is very busy now;_______she has to see her parents off at the airport.
A. although B. however
C. therefore D. but
7. Mai came home late last night.______, she missed the film on TV.
A. So B. Therefore C. However
D. But
8. Why do some people keep on________this river?
A. polluted B. pollution
C. polluting D. unpolluted
9. We suggested_______a show to raise money for the poor children.
A. organize B. organizirng
C. to organize D. organized
10. A: "Why don't we plant more trees in the school yard?" - B:"."____."
A. Ok. We will B. It's a great idea. Let's do that
C. Thank you D. Yes, let's see