更多"There is much in our life which we "的相关试题:
[单项选择]
Sugar is so much a part of our modem life that we only really think about it when, for some reason, we cannot obtain it. It has been known to man for at least 3,000 years, but it has come into common use only in modern times. Until quite recently it was considered as a medicine and as a luxury for the very rich only.
Sugar is, then, very important to our civilization. But what exactly is it Of course, most of us recognize sugar immediately as the sweet material which we put in coffee or cakes. This common form of sugar is derived from two plants: the sugarcane ( a type of grass which grows to a height of twenty feet) and the sugar beet ( which grows underground). But there are in fact many types of sugar, and the chemist recognizes hundreds of different varieties, each coming from a different source.
About 90% of the sugar is produced as food. Only 10% is used in industry for purposes other than food production. Yet sugar has great possibilities for use as the bas
A. What Sugar Is
B. Sugar Through the Ages
C. The Advantages of Sugar
D. Present and Future Uses of Sugar
[单项选择] Sugar is so much a part of our modern life that we only really think about it when, for some reason, we cannot obtain it. It has been known to man for at least 3,000 years, but has come into common use only in modern times. Until quite recently it was considered as a medicine and as a luxury for the very rich only.
Sugar is, then, very important to our civilization. But what exactly is it Of course, most of us recognize sugar immediately as the sweet material which we put in coffee or cakes. This common form of sugar is derived from two plants: the sugar cane (a type of grass which grows to a height of twenty feet) and the sugar beet (which grows underground). But there are in fact many types of sugar, and the chemist recognizes hundreds of different varieties, each coming from a different source.
About 90% of the sugar produced as food. Only 10% is used in industry for purposes other than food production. Yet sugar has great possibilities for use as the basis of chemica
A. What sugar is
B. Sugar Through the Ages
C. The Advantages of Sugar
D. Present and Future Uses of Sugar
[单项选择]We should do as much as we can __________ our country better and more beautiful.
A. make
B. to make
C. makes
D. making
[单项选择]Much as we may pride ourselves on our taste, we are no longer free to choose the things we want because of advertising everywhere.
A. 尽管我们可以自夸自己的品位，但广告无处不在，我们已经无法独立自主地作出自己的选择了。
B. 正如我们可以自夸自己的品位一样，我们想不再自由地选择是因为无处不在的广告。
C. 当我们可以自夸自己的品位的时候，无处不在的广告已使我们不再自由地选择了。
D. 我们可以自夸自己的品味，但到处都是广告，我们不再自由地作出自己的选择了。
[填空题]How much paper do we use every year Probably you (11) answer that question quickly. In 1990 the world’s (12) of paper was about one kilogram for each (13) a year. Now some countries use as much as (14) kilograms of paper for each person a year. Countries like the (15) , England and Sweden use more paper than other countries.How much paper do we use every year Probably you (11) answer that question quickly. In 1990 the world’s (12) of paper was about one kilogram for each (13) a year. Now some countries use as much as (14) kilograms of paper for each person a year. Countries like the (15) , England and Sweden use more paper than other countries.
[填空题]We will lead a much easier life in the future.
[单项选择]
When we see well, we do not think about our eyes very often. (76) It is only when we cannot See perfectly that we realize how important our eyes are.
People who are near-sighted can only see things that are very close to their eyes. Everything else seems blurry (unclear). Many people who do a lot of work, such as writing, reading and sewing, become near-sighted.
People who are far-sighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm’s length, lf they want to do much reading, they must get glasses, too.
Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people’s eyes become cloudy because of cataracts(白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them.
A. seeing at night
B. seeing objects far away
C. looking over a wide area
D. judging distances
