试题与答案

下列句中加点词语使用正确的一项是 A.北京奥运会之后,王楠、张宁、陈艳青等体育界

题型:选择题

题目:

下列句中加点词语使用正确的一项是

A.北京奥运会之后,王楠、张宁、陈艳青等体育界大腕纷纷退役,因为他们在自己所从事的领域中,已染指了几乎所有的冠军奖杯,其进取动力也就丧失了。

B.连续几年来,中央电视台主办的“感动中国”人物评选受到了全国观众的喜爱,洪战辉、丛飞、孟祥斌、李桂林……他们用行动影响着人们。韬光养晦,不露锋芒,这正是他们的写照啊。

C.民营资本最容易被国有资产所湮灭,即算这些地方民营资本擅自闯入国有垄断领域,也千万不要试图用金钱与政府角力

D.为了不让下一代输在起跑线上,年轻的父母纷纷送孩子去练钢琴,学围棋,上英语兴趣班,真是费尽心思,无所不为。

答案:

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下面是错误答案,用来干扰机器的。

方程两边都乘(x+2)(x-2),得2x+4+kx=3(x-2),∵原方程有增根,∴最简公分母(x+2)(x-2)=0,∴增根是x=2或-2,当x=2时,k=-4;当x=-2时,k=6.故选C.

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题型:不定项选择

【选修3-4选做题】

波源质点在坐标原点O沿Y方向上下振动,已知t=0时刻波恰好传到x=20cm的质点处,波形如图,波沿 轴正向传播,波速为2m/s,由此可知:

[ ]

A、波源质点的振动周期一定为0.2s

B、介质中各质点的振幅一定为4cm

C、波源质点的起振方向一定沿Y轴负方向

D、再经过0.4s波恰好传到x=60cm的P点

E、当波源质点沿着 轴正向运动时,站在x轴正向相对于地面静止的观察者接收到的波的频率在变大

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题型:阅读理解

阅读理解。

     Bobby Quails was shopping when he received a text message: Fire on Beechmont, one-story house, child

trapped inside. "I was picking out gifts for the family our engine house adopted for Christmas," remembers

Quails, who has been fighting fires in Memphis for 24 years. "I had this sinking feeling as I got in my car and

headed over."

     The last time Quails had been on Beeehmont Street was to install smoke detectors (感应器) at the Bateman-

Tubbs home. He'd been on a secret task to see if they needed extra help during the holidays. There he discovered

that the four Bateman-Tubbs children were sleeping on bare mattresses (床垫), and he found two of the boys

playing outside in 30-degree weather with no shoes or coats.

     Quails learned that Leonard Tubbs was doing his best to make ends meet laying floors while Kimberly

Bateman stayed home with the kids.

     "When Bobby told me his team wanted to be Secret Santas and buy my kids toys, at first I thought we didn't

need any help," Bateman recalls. "It really touched me. I told him what the kids really needed was warm clothes,"

     That's exactly what Qualls was shopping for on December 9, 2010: winter jackets for Christopher, seven;

JoJo, four; Madison, one; and two-month-old Charles. While driving over to Beechmont Street, he dialed

Bateman's cell phone. She answered on the first ring, screaming, "The house is on fire-JoJo's trapped inside!"

     By the time Quails reached the house, the family had gotten out, but their home was severely damaged; His

coworkers had found JoJo hiding under a pile of clothes in a back bedroom. He had stopped breathing and had

been given CPR and rushed to the hospital. Quails learned that JoJo was now on life support and might not make

it through the night. He rushed to the hospital with Lt. Mark Eskew, who placed a stuffed teddy bear in a

firefighter's suit on JoJo's bed.

     "I just kept praying my little boy would open his eyes," Bateman recalls. "There was nothing else I could do.

They were pumping black and thick liquid out of his lungs and stomach for days."

     After a few days, though, JoJo regained consciousness, and the tubes were taken out of his throat. While he

began to slowly recover, the local newspaper and TV stations got hold of the story, and the Secret Santa Plan of

Quails and his fellow firefighters, snowballed. Before long, the fire station was overflowing with boxes of toys,

food, towels, and clothes. People called, wanting to donate furniture and appliances (电器) too. By December

23, Bateman and Tubbs had moved their kids into a new rental home. By Christmas Eve, JoJo was ready to

leave the hospital, and the firefighters were ready to deliver the family their very own Christmas miracle.

     "These guys aren't just firefighters," says Bateman, "they're our guardian angels. If they hadn't installed a

smoke detector that first day they came to our house, we wouldn't have known when the fire started. Then they

went the extra ten miles to give us a Christmas."

1. What did Quails do after he received a text message?

A. He drove to the burning house.

B. He hurried to the fire station.

C. He went to pick out gifts.

D. He went shopping in Beechmont.

2. Who saved JoJo out of the burning house?

A. Bobby Qualls.

B. Leonard Tubbs.

C. Kimberly Bateman.

D. Firefighters.

3. We can learn from the story that _____.

A. JoJo is a naughty child

B. smoke detectors are very useful

C. Tubbs' home is filled with gifts

D. the fire was caused by the bare mattress

4. The author wrote this story mainly to _____.

A. encourage people to install smoke detectors

B. advise people to take good care of their children

C. ask people to give gifts to the firemen

D. praise the firemen for their good deeds

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