The H1N1 flu, often _____ “swine flu” by the ...

The H1N1 flu, often _____ “swine flu” by the public media, is a disease which can be prevented, controlled and cured.

高三英语单项填空简单题查看答案及解析

The 2009 outbreak of HINI is a new kind of influenza virus, commonly referred to as “swine flu”. It is thought to be a break of four known kinds of influenza. A virus subtype H1N1: one endedmic(流行病) in humans, one endemic in birds, and two endemic in pigs (swine). The source of the outbreak in humans is still unknown, but cases were first discovered in the U.S. and soon after in Mexico.

According to the U.S. Centers for Disease Control and Prevention(CDC)，it is not yet clear how serious this new virus actually is compared with other influenza viruses, although on May 26 they stated that new cases in the U.S. have probably reached the hightest point, and most cases have so far been mild relative to “seasonal flus”. But because this is a new virus, most people will not have immunity(免疫性) to it, and illness may eventually become more severe and widspread. The H1N1 flu mainly spreads in the same way that regular “seasonal influenza” spreads through the air from coughs and sneezes or touching those infected. It cannot be transmitted from eating cooked pork or by being in close contact with pigs.

As yet there is no vaccine(疫苗) available to prevent infection although companies are in the planning stages for having one available later this year. But there is concern that the virus could vary again over the coming months, leading to a new and potentially more dangerous flu outbreak later in the year, and a vaccine that will be less effective in preventing its spread.

As of May 27, the virus had spread to more than 50 countries; however, over 80% of reported deaths have taken place in Mexico. According to the CDC, the fact that the flu’s infection activity is now monitored more closely may help explain why more flu cases than normal are being recorded in Mexico, the United States and other countries.

1.The 2009 outbreak of H1N1 is thought to ________.

A.be concerned with four endmics

B.have come from the virus from pigs

C.occur because of unknown virus in Mexico

D.be caused because of people without immunity

2.According to the U.S. Centers for Disease Control and Prevention, ______.

3.To make people worried more is that ________.

4.From the passage we can learn that ________.

A.every country is watching closely the spreading of the H1N1

B.more than one-fourth of the deaths from the H1N1 are in Mexico

C.only the United States and Mexico recorded the cased of influenza

D.effective medicine has been produced to cure the H1N1

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It’s reported that one thousand people are affected by the H1N1 flu virus in that area , two hundred and fifty-five children ____.

A．were included     B．including

C．include            D．included

高三英语单项填空中等难度题查看答案及解析

33．—I’m sure the Mexican Government will control the outbreak of the H1N1 flu in a very short time. Do you think so?

—Yes. _______ .

高三英语单项填空简单题查看答案及解析

The order came that the medical supplies 　　　　　 to Beijing for the H1N1 flu soon.

A．would be sent　　　　 B．should send

C．be sent　　 　　　　 　 D．must be sent

高三英语单项填空中等难度题查看答案及解析

The order came that the medical supplies　　　　　　 to Beijing for the H1N1 flu soon.

A．would be sent    　　　 B．should send    　　　 C．be sent    　　　 D．must be sent

高三英语单项填空中等难度题查看答案及解析

This year’s flu season is pretty scary. To try to minimize the effects, public officials are still urging anyone who hasn’t yet gotten their flu shot to get one as soon as possible. However, even if every single person got a shot in the arm, the vaccine(疫苗)--- with its excellent 36 percent effectiveness---would not prevent everyone from getting infected with the annoying virus. Knowledge is power, so here's what goes on in your body when you come down with the flu.

The influenza virus primarily attacks your nose, throat, and the tubes that lead to your lungs. But the flu is so much more than that. Your muscles ache, your head hurts, and your appetite goes down, among other things. To our surprise, almost all of these symptoms have less to do with the virus itself than with your immune(免疫的)response to them. Unfortunately, the very defense you have in place to ge rid of the flu is the reason you feel so painful when you recover.

The virus usually enters through your mouth, typically by way of your hands But it takes a few days for symptoms to set in. While this process might cause some harm to your nose and throat, it's nothing major, and nothing like the symptoms that typically accompany a bad or even mild case of the flu.

The real fun starts when your immune system begins to fight. Your immune system comes in two parts: the innate system and the adaptive. The innate immune system is essentially an all-purpose tool. As soon as your body senses the presence of any injury or invader (入侵者), the innate immune system launches into action by producing tiny proteins called cytokines and chemokines. The cytokines reproduce almost immediately and start to attack the virus. This increase in immune cells creates an serious inflammation(炎症) throughout the body. But the worst is still to come. Meanwhile, the chemokines work with the adaptive immune system to help create T cells. These cells are a special type of white blood cell that works in a much more specific way: They find the influenza virus, identify what's special about it, and create something unique on their surface that finds and destroys similar invaders.

1.What can we infer from Paragraph 1?

A. All the vaccine is not effective.

B. No one can avoid catching this year's flu.

C. This year's flu is the most serious one in recent years.

D. Public health officials have to use a gun when necessary.

2.Why many parts of your body suffer while you're recovering from a flu?

A. Because recovery from illness is painful.

B. Because your immune system is working against your defense system.

C. Because your body is fighting hard against the flu.

D. Because the influenza virus attacks your nose, throat and other parts.

3.The underlined word “fun” in Paragraph 4 can be replaced by　　　 .

A. joy

B. battle

C. action

D. program

4.What's the main idea of Paragraph 4?

A. The fight between innate immune system and the adaptive.

B. The categories of immune system.

C. The way immune system works.

D. The process of the development of immune system.

高三英语阅读理解困难题查看答案及解析

Who ______ the fight against the H1N1 flu ______ it not been for the Chinese scientists’ great efforts?

A. could have won; had　　 B. would win; had　　 C. would have won; has　　 D. could win; has

高三英语单项填空简单题查看答案及解析

The order came that the medical supplies______to Beijing for the H1N1 flu soon.

A．would be sent    B．should send        C．be sent       D．must be sent

高三英语单项填空中等难度题查看答案及解析

In terms of Mrs. Meng’s being arrested without solid evidence, the western media has _____ public attention away from where it should be, that is, the rule of law.

A. transformed　　 B. shifted

C. attracted　　 D. changed

高三英语单项填空中等难度题查看答案及解析