题目内容：

    Around the world more and more people are _______ dangerous sports and activities. Of course there have always been people who have _______ adventure--those who have climbed the _______ mountains, explored unknown parts of the world or _______ in small boats across the greatest oceans. Now, however, there are people who look for an immediate pleasure from a _________ activity which may only last a few minutes or even _________.

I would consider bungee jumping(蹦极)to be a good example of such an activity. You _______ from a high place about 200 meters above the ground with an elastic(有弹力的)rope _______ to your ankles. You _______ at up to 150 kilometers an hour until the rope stops you from ________ the ground. It is said that 2 million people around the world have now ________ bungee jumping. Other activities, ________ most people would say are as dangerous as bungee jumping, __________ jumping from tall buildings and ________into the sea from the top of high rocks.

Why do people take part in such activities as these? Some psychologists(心理学家) suggest that it is because life in ________ societies has become safe and boring. Not very long ago, people’s lives were constantly under __________ They had to go out and hunt for ________, and life was a continuous battle for survival.

Nowadays, according to many people, life offers ________ excitement. They live and work in relatively safe condition; they buy food in shops; and there are doctors and hospitals to __________ them if they become ill. The answer for some of these people is to ________ danger in activities such as bungee jumping.

1.A.escaping from B.taking part in C.going in D.taking in

2.A.looked up B.looked into C.looked for D.looked around

3.A.lowest B.highest C.beautiful D.wild

4.A.sailed B.swam C.jumped D.crossed

5.A.safe B.urgent C.funny D.dangerous

6.A.years B.seconds C.hours D.days

7.A.jump B.run C.walk D.cross

8.A.followed B.tied C.brought D.took

9.A.go B.run C.fall D.fly

10.A.falling B.running C.flying D.hitting

11.A.tried B.observed C.found D.studied

12.A.that B.which C.it D.what

13.A.abuse B.include C.carve D.conclude

14.A.swimming B.running C.diving D.skating

15.A.old B.modern C.past D.formal

16.A.safety B.excitement C.danger D.perfection

17.A.animals B.food C.water D.drug

18.A.few B.little C.much D.many

19.A.look at B.look behind C.look like D.look after

20.A.seek for B.build up C.suffer from D.find out