试题与答案

水平型国际分工

题型:问答题

题目:

水平型国际分工

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析:The radioactivity comes from a radioactive material such as radium or cesium. Radioactivity affects tissues but does not make them radioactive. Once the radioactive source is removed, no radioactivity remains. Accurate information can help alleviate ungrounded fears.

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题型:单项选择题

有一些植物需经过低温后才能开花并成长结实。通过低温诱导促使植物开花结实的作用称为春化作用。 根据上述定义,下列未利用春化作用原理的是( )。

A.洋葱开花影响其品质,因此在春季种植前高温处理越冬贮藏的鳞茎,以降低其感受低温的能力,从而得到较大的鳞茎

B.使用赤霉素,二年生天仙子、白菜、甜菜和胡萝卜等不经低温处理就可以开花

C.将萌发的冬小麦种子装在罐中,放在冬季的低温下40~50天后在春季播种,可获得和秋播同样的收成

D.在第一年将二年生药用植物当归的块根挖出,贮藏在高温下,以减少第二年的抽薹率而获得较好的块根

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题型:阅读理解

阅读理解。

     Readers Digest在网上公布了2008年Hero 的候选人的事迹。

     A. After the September, 11 Event, Rossmiller began to identify would-be terrorists in e-mail exchanges. So far, she has tracked down a few arms dealers. Faced with death threats, the mother of three says,

"With anything important, you have to take risks."

     B. "Stop them!" a passer-by yelled. "They stole a lady's purse!" Kevin Croskey ran after two young

men. One of the teenagers pulled a weapon. He threw himself on the kids and sent them to the police

station.

     C. In 2003, Mark and three other family members started to clean up the worsening bay in California. So far, they've poured $100,000 of their own money into this campaign and enlisted 1,100 others to try to return the bay to a safe, clean environment.

     D. A tornado struck a nursery school in Alabama and trapped teachers and kids in the game area.

Minutes later, Justiss and a line of gathering volunteers rushed into the area and saved 31 kids they knew

nothing about.

     E. Phillips searched for five years before she finally found her missing sister. In the process, she learned more about the missing people and their family members and founded a website to assist people looking

for loved ones.

     F. A man was lying on the sidewalk, wildly kicking at two dogs which were biting him. Griggs stopped his car and grabbed a pipe on the ground. A direct blow made the male dog flee. Then Griggs used the

pipe to strike the female dog until she left. Next he helped to carry the man to the hospital.

请阅读以下人员的信息,与他们所选的Hero 进行匹配:

1. Pearce is a magazine editor, responsible for providing information for those who searched for their relatives and friends. She appreciated the hard work people paid to get the lost one back.

2. Pickering insists all men are becoming colder, minding their own business. He thinks a hero should be the one who helps strangers out of trouble at the cost of his own life.

3. Fiona recently witnessed a theft but was not brave to stop it. She admired those with courage in face of a criminal.

4. Eliza started her own business with little money and suffered several severe failures. But she made herself on the Rich List, insisting that nothing is impossible if we take risks.

5. Higgins works for a hospital. In his spare time, he volunteers to do something to develop the environment-conscious public. He believes it is everyone's duty to treasure our earth.

1. ________   2. ________   3. ________   4. ________   5. ________

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