单项选择题：吸入性损伤的治疗下列哪项最关键()A．住层流病房 B．应用广谱抗生素 C．严格消毒隔

题型：单项选择题

阅读理解。

Cheerleaders are part of athletic competitions throughout the United States. As their name says they

lead the crowd in cheering for the team it likes best.

About five years ago. cheerleaders were considered to be simply entertainers. Today there is much

more Cheerleading in America which has become another form of athletic competition. Cheerleaders today

are expected to be gymnasts and dancers. They 'are expected to be quick and strong.

Many cheerleaders are better athletes than the boys and girls on sports teams. High school

cheerleading especially has become more difficult. The students must be in top physical shape. They must

be able to jump high, turn circles in the air and lift each other. Teachers say this is the result of the influence

of college cheerleaders. High school students watch college football and basketball games on TV. They

see how the cheerleaders throw each other into the air and perform difficult athletic movements. They want

to do the same thing. There is one big difference between the two groups. however. College cheerleaders

in America are young men and women. The men do most of the lifting. At most high schools only girls are

cheerleaders. It's very difficult for them to hold others on their shoulders and throw them into the air. There

are a number of ways high school cheerleaders are improving their skills. They are exercising and lifting

weights to increase their strength. And they are attending camps during the summer holidays to learn new

techniques. Cheerleaders test their skills by taking part in competitions against cheerleaders from other

schools. just like other athletes. Coaches at some high schools say this new kind of athletic cheer leading

has caused some problems .

They say girls who were soccer and basketball players are now competing for places on a cheer

leading team. As more girls attempt to become cheerleaders, sports teams suffer from a lack of good

players.

1.Whatcheerleaders should do is to lead the crowd ________

A. to take part in competitions

B. to cheer for their favorite teams

C. to be quick and strong

D. to be good high jumpers

2.Which of the following sentences is NOT true about cheerleaders?

A. They should be quick and strong.

B. They are expected to be dancers and singers.

C. They must be in top physical shape.

D. They must be able to jump high.

3. According to the last paragraph we can know, that __________

A. girls like to become leaders

B. it is easy for girls to be cheerleaders .

C. sports teams have no good players

D. more and more girls try to be cheerleaders

4. What is the main idea of this passage?

A.Cheerleaders are part of athletic competitions.

B . Why cheerleaders are so important.

C. What makes good cheerleaders and how they work.

D. Differences between college and high school cheerleaders .

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吸入性损伤的治疗下列哪项最关键()A．住层流病房 B．应用广谱抗生素 C．严格消毒隔