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to protect against the spread of AIDS
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更多“to protect against the spread of AIDS”相关的问题
第2题
Which of the following statements is mentioned in the passage？ ______
A．A strict law against computer crimes must be enforced
B．Companies usually hesitate to uncover computer crimes to protect their reputation
C．Companies will guard against computer crimes to protect their reputation
D．Companies need to impose restrictions on confidential information
第3题
The purpose for the activists to be against researchers is ______.
A．to see the animals
B．to protect animal's rights
C．to stop scientific research
D．to fight with police
第4题
A. blame
B. recommend
C. arrange
D. force
第5题
A、argue with
B、argue against
C、argue about
D、argue into
第6题
—Are you certain that today is her birthday？— （） Let's get her some flowers.
A.I’m against it
B.I’m positive
C.I can’t make up my mind
D.I’d prefer to go shopping.
第7题
A. Deal with it quietly
B. Giving lines
C. Don’t take things personally
D. Don’t use threats
第8题
Particular average is ______.
A.the average distance steamed per day over the duration of the voyage
B.charges against all parties in a marine venture to pay for damages
C.loss sustained by only one party
D.claimed after all liens against the vessel are settled
第9题
The author disapproves of wearing red sweaters if______.
A．the crowd is wearing them
B．one can't afford them
C．one doesn't look good in red
D．it is against school rules
第10题
A．The activist will release all the animals.
B．The activists will use violence against the researchers.
C．The activist will commit vivisection.
D．In the autumn of 2000, the activists will send more letters.
第11题
Nobody knows who first invented it, but the umbrella was used in very ancient times. Probably the Chinese were the first to use it in the eleventh 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 the king 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 practically disappeared. Then it appeared again in Italy in the late sixteenth century. And again it was considered a symbol of power and authority. By 1680, the umbrella appeared in France, and later on in England.
By the 18th century the umbrella was used against rain throughout most of Europe. Umbrella have not changed much in style. during all this time, though they have become much lighter in weight. It wasn't until the twentieth century that women’s umbrellas were made, in a whole variety of colors.
According to this passage, the umbrella was probably first invented______.
A．in ancient China
B．in ancient Europe
C．in ancient Greece
D．in ancient Rome
