题目内容

12. Many farmers in the countryside have gone to cities to look for work,leaving their children behind             their grandparents. (stay)

很多农村的农民去大城市找工作,将他们的孩子留在祖父母身边。

12. staying(together) with考查现在分词作宾语补足语结构的运用。现在分词的功能之一就是作宾语补足语。它跟宾语在逻辑上是主谓关系。leave(使得)后需加宾语+补足语,而children和stay正好在逻辑上是主谓关系,故用stay的现在分词形式。可接现在分词作宾补的动词还有have、 find、 see、 notice、feel、 watch、look at、 listen to、see、hear、observe、send、keep、set、catch等。 

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Life has changed in Mexico City. Streets normally filled with people are empty. One of the most popular professional soccer teams recently played a game in an empty stadium that can seat more than 100,000 people. It's swine(猪)flu that has made life in Mexico City grind to a halt. Seemingly out of nowhere, swine flu has caused confirmed deaths in 12 countries as of April 30. It has sent a wave of alarm around the world. Governments are trying to find ways to prevent further outbreaks. The World Health Organization has raised its swine flu global threat level to five out of six.

People may be familiar with bird flu,but they know little about swine flu. Swine flu is a contagious (传染性的)respiratory(呼吸的)disease in pigs. It is caused by a type-A influenza virus.

Humans can also catch swine flu. The virus causes regular outbreaks in pigs,but people usually do not catch it. However, there have been cases of the virus spreading to people, and then from one person to another.

The symptoms of swine flu are similar to the common flu. They include fever, lethargy (无精4丁采).lack of appetite, coughing,runny nose, sore throat, nausea (恶心).and vomiting ("区吐). The high proportion of young adults among the deaths is one of several mysteries about this virus. Most of the dead had lung damage. What caused it is not yet known.

The virus spreads the same way the common flu does. When an infected person coughs or sneezes around another person, the latter is put at risk. People can get the disease by touching something with the flu virus on it and then touching their mouth,nose or eyes.

There are medicines to treat swine flu. Doctors suggest using anti-viral drugs. They keep the virus from reproducing inside the body.

Although there are no vaccines for it now,several everyday steps can help prevent the spread of the virus: washing hands frequently;avoiding close contact with people who are sick;and avoiding touching surfaces that might have the virus on it.

People may worry that they will get swine flu from eating or preparing pork. In fact,you cannot catch the virus from pork products if they have been properly prepared and cooked. Cooking food at temperatures of 71 ^ kills the virus.

(   ) 8. What's the main idea of the first paragraph?

A.  Mexico City is really a place of horror now.

B.  People in Mexico City like staying at home.

C.  People in Mexico City don't like soccer.

D.  Swine flu has seriously affected people's life in Mexico City.

(   ) 9. The underlined phrase in the first paragraph probably means         .

A. come to a stop    B. stay lively C. become lifeless    D. fall to quietness

(   ) 10.The following tips can protect us from swine flu EXCEPT .

A.  keeping away from other people

B.  washing hands frequently

C.  avoiding close contact with sick people

D.  avoiding touching surfaces that might have the virus on them

(   ) 11. What can we infer from the passage?

A.  At present there still aren't effective vaccines for swine flu.

B.  Swine flu virus cannot spread in the air.

C.  From now on,people can't eat pork if they want to be safe.

D.  All of the dead killed by swine flu had lung damage.

(   ) 12.What is the main idea of the passage?

A.  How swine flu broke out in Mexico City.

B.  Some information concerning swine flu.

C.  The differences between swine flu and bird flu.

D.  The dangers caused by swine flu.

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