[填空题]Why do many companies still hesitate to use the Web to expand its market though the Web has proved to be more than a fashion today

[填空题]Why do many companies still hesitate to use the Web to expand its market though the Web has proved to be more than a fashion today

[简答题]Why Do We Need English

[单项选择]Why do we need active sleep
A. To prepare for passive sleep.
B. To rest our body.
C. To stay healthy.
D. To help us rest our minds.

[单项选择]Why do many people criticize train travel

Why do many people criticize train travel
A．Because they feel it has changed a lot. B．Because they feel it is not fast enough.
C．Because they feel it is often expensive. D．Because they feel it doesn’t suit long journeys.
A. Because they feel it has changed a lot.
B. Because they feel it is not fast enough.
C. Because they feel it is often expensive.
D. Because they feel it doesn’t suit long journeys.

[填空题]

Why do we feel pleased about the reception
We feel very pleased to have so many （） attending our reception this evening.

[填空题]

We still do not know all of the reasons why babies are born sick or with major disabilities. But we do know (31) . One baby, maybe more, (32) of one hundred is born with a serious genetic problem. Gene therapy (33) a very real possibility of correcting many of these disorders. It could transform — indeed, it already has — lives that are doomed (34) the pain and anguish of chronic illness. But scientific advances can also generate misunderstanding and fear. The Salk polio vaccine, so closely identified (35) the March of Dimes, was one of the most important medical gains of our time. It was safe. It worked. But (36) earlier vaccine used "live" viruses that caused fatalities, researchers (37) to overcome public apprehension.
Some critics are concerned that gene therapy will be abused create "super" humans. (38) are disturbed about possible disclosures of personally sensitiv