题目内容：

    China's giant pandas show the achievement of the international effort to save animals that are now in danger. In television programs we often see pandas _______ funny games. Children have panda toys and beautiful cards with pictures of lovely_______ in them. They often visit the giant pandas in the zoo in _______ holidays and have a good time there. However，scientists are worried about the _______ of giant pandas. They know only about 1000 giant pandas remain _______today.They think the giant panda will die out in 30 years if the present conditions are not _______.

It is reported that the giant pandas have a very _______ birthrate. About 115 pandas live in the zoo and research centres mainly in China，but during the past 10 years they _______ only 34 _______ pandas that are still alive. The survival rate for giant pandas in the wild is probably the same or lower.

There are several reasons for the low ________.The main reason is________ male pandas can make babies with females in a very ________ season—only a few days a year. When they do have babies，females often produce two pandas，but the mother is usually not able to care for ________ of them. The newborn pandas ________ only a few kilograms each. They are too weak to live without special care. In the zoo，scientists can help the mothers ________ the young pandas but those living in the wild do not get enough ________.It is very difficult for mother pandas to bring up their young pandas.

Conditions for the giant pandas have been worse in recent years. Pandas in China continue to ________in number. We know pandas live on bamboos. But sometimes all the bamboos in one area die. The pandas there have ________ to eat and die of hunger.

Giant pandas now live in 13 separate ________areas in China. Several years ago the Chinese government and the International Wild Life Organization agreed ________ a project of protecting giant pandas in the wild. We hope it could be helpful.

1.A.play B.playing C.do D.done

2.A.pandas B.children C.bamboos D.zoos

3.A.our B.their C.your D.the

4.A.past B.now C.future D.present

5.A.live B.living C.lively D.alive

6.A.changed B.increased C.improved D.considered

7.A.low B.proper C.high D.right

8.A.cloned B.produced C.kept D.made

9.A.small B.young C.old D.adult

10.A.price B.speed C.birthrate D.limit

11.A.why B.how C.when D.that

12.A.short B.long C.suitable D.certain

13.A.all B.both C.none D.neither

14.A.weight B.heavy C.weigh D.heaviness

15.A.have B.raise C.bring up D.care for

16.A.help B.food C.water D.milk

17.A.reduce B.grow C.rise D.change

18.A.something B.nothing C.everything D.anything

19.A.protected B.protecting C.defending D.guarding

20.A.with B.to C.on D.that