How many books did Carson write before Silent Spring, and what were their titles？ ______.

Some businessmen have found it______by putting users into video -game -like virtual worlds.

Much family quarrelling ends when husbands and wives realize what these energy cycles mean and which cycle each member of the family has.

AN UNUSUAL SWIMMING CLUB

Members of a special club in Britain cheerfully leave the warmth CHEER

of their beds, while most sensible people are still fast 【C1】__ for SLEEP

an 【C2】__ swim in water with a temperature of only seven degrees ENERGY

centigrade. This may sound like 【C3】__ to you, but these swimmers MAD

firmly believe that it is 【C4】__ to do this, even in mid-winter. HEALTH

【C5】__ of the club requires daily swimming outdoors. However, MEMBER

for people net used to large 【C6】__ in temperature, DIFFERENT

it may net be such a good idea. While there is an 【C7】__ in IMPROVE

the blood circulation of people who swim 【C8】__ in icy water, REGULAR

it can be 【C9】__ to others. But when members are asked why they HARM

do it, the common 【C10】__ is that it makes them feel wonderful! RESPOND

【C1】__

You see the following notice in an international magazine.

COMPETITION

Is it better to live in a flat, a modern house or an old house？

Write us an article giving your opinions.

The best article will be published and the writer will receive ￥500.

Write your article for the magazine.

The university of California, founded in 1868, is ____ (由校长和24名董事管理).