Exercise 3 (Reading I) I. Choose the best answer. ( ) 1. Which of the following underlined parts is different in pronunciation from the others? A. beyond B. desert C. precious D. step

( ) 2. Mike is speaking on ______ end of the line by phone.
A. another B. the other C. others D. other

( ) 3. Nicholas ______ to visit his parents this morning.
A. set up B. put up C. set off D. put off

( ) 4. ______ rainwater, you need to wait for heavy rain and set up a collection system.
A. Collecting B. Collected C. Collect D. To collect

( ) 5. We listened to the teacher carefully, ______ to understand.
A. tried B. to try C. trying D. to trying

II. Complete the following passage with the words or phrases in the box. Each can only be used once. A. aware B. influenced C. limited D. nature E. certainly F. appear Most people use more water than they need without even thinking about it. Since more than 70% of the Earth is covered by water, some might wonder, “Does it really matter if I just use a bit more?” It ___1___ does. An article in New York Times suggests that the Colorado River has been in a drought since 2000. The animals, the weather, and even the Salton Sea next to it are all seriously ___2___. Farmers have been forced to cut their water use. This means they will provide fewer fruits and vegetables. Many fishes are also killed. The drought did __3__ because of poorly engineered waterways, and the large amount of water humans used daily. Even historic amounts of rain in the past few months did not put an end to it. We ask more from ___4___. Because of human population growth, it is hard for us to keep our water usage down. However, we should be ___5___ of how much we are using and try to cut down on it.

III. Complete the sentences with the given words in their proper forms.
1. I ______ (full) understand your concerns, and I’m here to help you deal with them.
2. We must be careful with the ______ (chemistry) in the lab.
3. Our team ______ (preparation) carefully before the basketball match yesterday.
4. The new product ______ (present) will end on time at 5 p.m. today.
5. My keys always ______ (disappear) when I need them most.

IV. Rewrite the following sentences as required.
1. May used to go jogging in the community every morning. (改为否定句)
May ______ ______ to go jogging in the community every morning.