COMPUTERS THAT ONCE TOOK UP ENTIRE ROOMS ARE NOW SMALL ENOUGH TO___...

30.Computers that once took up entire rooms are now small enough to_____desktops and

into wristwatches.

A.put on

B.place into

C. install in

D. lay under

Use correct form of the words in brackets to complete the passage.

In the past, any mother would be proud if her children were round and slightly fat. Those

days are gone. (31. Research)_______________ have now reached the (32.

conclude)__________ that too much fat and sugar in children’s diets are a major factor in

the (33. develop)______ of heart diseases and other (34. ill)_______ when they are older.

However, (35. grow)_______ children need to eat a wide range of foods, and their general

health could be (36. danger)________ by cutting out particular ones. Psychologists say

that the (37. solve)_______ is not to change eating habits too fast, but to do it (38.

care)_______ , so that children do not lose muscle in addition to fat. Parents should

present food a little (39. difference)___________ , spread butter thinly and avoid putting

sugar on the table. Children should also be (40. courage)________ to take part in sports:

this way they will be using the calories that they have eaten.

Choose the correct option for each of the gaps to finish the passage.

A very important world problem – in fact, it may be the most important of all the great

world problems which face us at the present time – is the rapidly increasing pressure of

population (41) the land. The important thing is not so (42)_____ the actual population of

the world at present, but its rate of increase. It works (43)_____ to be about 1.6 percent

annual net increase. In numbers it means something (44)_________ forty five to fifty

million additional people every year. Take Australia. There are about 18 million people in

Australia. So it takes the world less than three months to (45)____________ itself a

population which populates that vast (46)________ Speaking of birth rate, look at the

second hand of your watch. Every second, three babies are bom somewhere in the world.

You cannot (47)__________ quickly enough to keep up with the birth rate. This enormous

increase of population (48)_____ immense problems. In about 20 years’ time,

(49)________ something terrible happens there will be as many as billion people on the

surface of the earth!

So this is a problem which you are going to (50)_____in your lifetime.