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1、2023衡中同卷分科综合卷 新教材语文一答案

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14.解：(1)当BC绳刚好拉力为零时，小球受到AC绳的拉力和重力的作用，根据力的平衡和牛顿第二定律得TAc cOS37°=mg(2分)TAcsin37°=ma(2分)解得a=gtan37°=7.5m/s2。(1分)(2)车向左加速运动时，AC绳在竖直方向上的分力等于球的重力，随着加速度的增大，AC绳的拉力保持不变，当绳BC受到的拉力最大时，即TBc=2ON时，小球的加速度最大，则有TBc一TAcsin37°=mam(2分)TAc COS37°=mg(2分)代入数据解得，最大加速度am=12.5m/s2。(1分)

Ning Zetao has become China’s new swimming star due to his amazing performance at the 2014 Asian Games in Incheon(仁川), South Korea.

With already two gold medals in hand, the 21-year-old clocked 47.70 seconds in the 100m freestyle, setting a new Asian record. This result has been recognized by FINA as the world’s third best time this year, fast enough to have won a gold medal in last year’s Barcelona World Championships.

“It is my first international event,”said Ning, who later won a fourth gold medal in Incheon. “I am happy that my results are pretty close to my personal best.”

Born in the central Chinese city of Zhengzhou,Ning entered the local team at the age of 11 and joined the navy team in 2007.He first caught people’s attention in 2009 when he finished eighth in the 200m individual medley at the National Games.

Nevertheless, Ning suffered from bone infection in both knees for a long time, which made him unable to train hard on his kicks.

He also had an indigestion problem and had to eat “soft” food which is easy to digest. His poor stomach even made it impossible for him to complete week-long full time training.

But the young swimmer never gives up. His idol is the great Russian swimmer Alexander Popov, who continued to win Olympic gold medals after he was stabbed on a street. Ning said, “He was a real fighter and I need to learn from him.”

Taken better care of by coaches and doctors, Ning can now train as normally as others. And that is why he can get today’s achievements.

The gold medals at the Asian Games also boosted the confidence of the new swimming star, who hopes to enter the national team and compete for China in more international events.

“Chinese men’s swimmers have never been placed among top eight in the short-distance freestyle,” he said. “I hope I can do it, just like what Sun Yang did in the mid-long distance freestyle.”

1.The best title could be ______.

A. Ning Zetao, a world famous swimmer

B. Ning Zetao, a promising rising star

C. Ning Zetao, a strong-will soldier

D. Ning Zetao, a world gold medalist

2.We can learn from the passage that ______.

A. the results Ning got in Incheon are his best

B. Ning is good at both 100m and 200m freestyle

C. Ning broke an Asian record at the 2014 Asian Games

D. Ning has already got 5 gold medals in the international event

3.It can be inferred from the passage that ______.

A. some health problems have little effect on Ning’s training

B. being well cared of is the main reason for Ning’s achievements

C. the Chinese swimmers have never got into the top eighth in the world event

D. gold medalist as Ning is, he is not yet a member of National Swimming Team

4.The underlined word “boost” in the last but one paragraph probably means ______.

A.increase B. weaken C. lack D. encourage

试题答案

1.B

2.C

3.D

4.A

【解析】

试题分析: 本文讲述了新生游泳明星Ning Zetao年纪轻轻就取得骄人成绩，尽管曾在比赛中受过伤，但是康复后，他仍然夺得傲人成绩，并继续为他的梦想拼搏。

1. 主旨理解题。结合全文讲述可知新生游泳明星Ning Zetao年纪轻轻就取得骄人成绩，尽管曾在比赛中受过伤，但是康复后，他仍然夺得傲人成绩，并因在2014亚洲比赛中突破记录而增加了继续参加更多国际赛事的信心，因此本文讲述的Ning Zetao是一个有前途的明星。选B。

2. am happy that my results are pretty close to my personal best. 我很高兴我的成绩几乎接近我个人的最好成绩，故A不正确；选项B，从文中第二段the 21-year-old clocked 47.70 seconds in the 100m freestyle, setting a new Asian record. 今年他21岁计时47.70秒在100米自由泳中创造了新的亚洲纪录。第五段Nevertheless, Ning suffered from bone infection in both knees for a long time然而,Ning遭受双膝骨感染了很长一段时间，故可知他并不是很擅长200米自由泳，故不正确；选项D，从第二段可知，Ning在参加国际游泳比赛之前已经获得了两个金牌，2014年在Incheon获得了两枚金牌。故不正确；选项C，从文中第二段the 21-year-old clocked 47.70 seconds in the 100m freestyle, setting a new Asian record. 今年他21岁计时47.70秒在100米自由泳中创造了新的亚洲纪录，故正确，故选C。

3. gold medals at the Asian Games also boosted the confidence of the new swimming star, who hopes to enter the national team and compete for China in more international events.在亚运会上的金牌也增加了这位新游泳明星的信心，他希望进入国家队，并为中国参加各种国际赛事。由此可推断出，Ning还不是国家游泳队的成员。故选D。

4. 词汇分析题。从文中倒数第二段The gold medals at the Asian Games also boosted the confidence of the new swimming star, who hopes to enter the national team and compete for China in more international events.在亚运会上的金牌也增加了这位新游泳明星的信心，他希望进入国家队，并代表中国参加各种国际赛事。根据hope可判断出boost在此意思是增加，增强。故选increase，可知选A。

考点：考察人物教育类阅读

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