[填空题]Diminishing natural resources will prove harmful to the well-being of humanity.

[填空题]Diminishing natural resources will prove harmful to the well-being of humanity.

[填空题] Catherin
Get more natural sunlight indoors by trimming bushes around your windows and keeping curtains and blinds open.
Sir near windows at school , at work, on public transportation and when dining out. If you exercise indoors, do it near a window.
Cindy
Take all or parts of your vacation in winter instead of summer -- and head for a sunny destination.
Sally
A study showed that one hour outdoors during the daytime -- even when the sun is not shining -- provides enough light to lift the spirit significantly.
Anna
Fruits and vegetables -- low in fat and high in carbohydrates -- are great choices for weight control if they aren’t smothered in high-fat cheese or cream sauces. True, your choices in winter are more limited. But thanks to modern shipping and refrigeration techniques, many popular varieties of produce are available year-round.
Anne
High-fat meats -- red meats, franks a

[填空题]众所周知, our natural resources will be exhausted in the near future.

[单项选择]

To us, it seems so natural to put up an umbrella to keep the water off when it rains. But actually the umbrella was not invented as protection against rain. Its first use was as a shade against the sun.
Nobody knows who first invented it, but the umbrella was used in very ancient times. Probably the first to use it were the Chinese, way back in the 1th century B.C.
We know that the umbrella was used in ancient Egypt and Babylon as a sunshade. And there was a strange thing connected with its use: it became a symbol of honor and authority. In the Far East, in ancient times, the umbrella was allowed to be used only by royalty or by those in high office.
In Europe, the Greeks were the first to use the umbrella as a sunshade. And the umbrella was in common use in ancient Greece. But it is believed that the first persons in Europe to use the umbrella as protection against the rain were the ancient Romans.
During the Middle Ages, the use of the umbrella p
A. No one exactly knows who is the inventor of the umbrella.
B. The umbrella was first invented to be used as protection against the sun.
C. The umbrella changed much in style in the eighteenth century.
D. In Europe the Greeks were the first to use the umbrella as a sunshade.

[单项选择]

It is natural for young people to be critical of their parents at times and to blame them for most of the misunderstandings between them. They have always complained, more or less justly, that their parents are out of touch with modem ways; that they are possessive and dominant; that they do not trust their children to deal with crises; that they talk too much about certain problem—and that they lack sense of humor, at least in parent-child relationships.
I think it is true that parents often underestimate their teenage children and also forget how they themselves felt when young.
Young people often irritate their parents with their choices in clothes and hairstyles, in entertainers and music. This is not their motive. They feel cut off from the adult world into which they have not yet been accepted. So they create a culture and society of their own. Then, if it turns out that their music or entertainers or vocabulary or clothes or hairstyles irritate their
A. obedient
B. responsible
C. cooperative
D. independent