1. Is "white pollution" caused by plastic?
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2. How many plastic shopping bags are used every day in China?
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3. How long have all stores and supermarkets been told not to provide customers with free plastic bags?
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4. What will happen if we use cloth bags and shopping baskets?
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5. What other things can we do to solve the problem of "white pollution"? 
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A thousand years age Hong Kong was covered by a thick forest. As more and more people came to 1 in Hong Kong, these trees were cut down and burnt. Now there is 2 forest left, though there are still some
small areas covered in trees. We call these woods.
Elephants, tigers and many 3 animals were living in the thick forest. When people came to live in Hong
Kong, the 4 began to die out. Early farmers grew rice and 5 pigs and chickens in the valleys. They cut
down the trees and burnt them. They needed 6 to keep themselves warm in winter, to cook their food and to keep away the dangerous animals. Elephants quickly disappeared because there was not enough food
for them.  7 did most of the wolves and tigers. Monkeys and many other animals soon 8 in the same way.
You might think that there are no longer any animals in Hong Kong 9 in the zoos. But there are still about
36 different animals 10 there. One of the most interesting of Hong Kong"s animals is the barking deer.
These are beautiful little animals 11 a rich brown coat and a white patch（补钉） under the tail. They
look like deer but they are much smaller. They are less than two feel 12 . They make a noise rather like a
dog 13 . In Hong Kong the barking deer has only a real enemy （敌人）――14 . People hunt these little animals though it is illegal（违法的）. There are now not many barking deer left. So it is important 15
people to protect wild animals.