完形填空:下面的短文有l5处空白,请根据短文内容为每处空白确定l个最佳选项。Obes

题型:单项选择题

问题:

完形填空:下面的短文有l5处空白,请根据短文内容为每处空白确定l个最佳选项。

Obesity(肥胖) Causes Global Warming.

The list of ills attributable to obesity keeps growing: Last week, obese people were accused of causing global warming.

This ______(51)comes from Sheldon Jacobson of the University of Illinois, US, and a doctoral student, Laura McLay. Their study ______(52) how much extra gasoline is needed to haul fat Americans around. The answer, they say, is a billion gallons of gas per year. ______(53)

There has been ______(54) for taxes on junk food in recent years. US economist Martin Schmidt suggests a tax on fast food ______(55)to people’s cars. "We tax cigarettes partly because of their health cost," Schmidt said. "Similarly, leading a lazy life style will end ______(56) costing taxpayers more."

US political scientist Eric Oliver said his first instinct was to laugh at these gas and fast food arguments. But such ______(57) are getting attention.

At the US Obesity Society's annual meeting, one person ______(58) obesity with car accident deaths, and another correlated obesity with suicides. No one asked whether there was really a cause-and-effect relationship. " The funny thing was that everyone took it ______(59)." Oliver said.

In a 1960s study, children were ______(60) drawings of children with disabilities and without them, and a drawing of an obese child. They were asked ______(61) they would want for a friend? The obese child was picked last.Three researchers recently repeated the study ______(62) college students. Once again, ______(63) no one, not even obese people, liked the obese person. " Obesity was stigmatized." the researchers said.

But, researchers say, getting______ (64) is not like quitting smoking. People struggle to stop smoking, and, in the end, many succeed. Obesity is different. Science has shown that they have limited personal control over their weight Genes also______ (65) a part.

56.(单项选择题)     

A.up

B.in

C.with

D.by

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题型:单项选择题

学校有个长方体的沙坑,用5.76立方米的黄沙正好把它填满,测得这个沙坑的长是3.6米,宽是2米,这个沙坑深多少米?

题型:单项选择题

为防止某些发电机组因检修或故障停机影响电力网的正常运行,在电力系统中应至少有()的备用容量。

A、10%~15%

B、10%~20%

C、15%~20%

D、5%~15%

题型:单项选择题

阅读理解

     If cars had wings,they could fly and that just might happen, beginning in 2012.The company

Terrafugia, based in Woburn, Massachusetts, says it plans to deliver its carplane, the Transition,

to customers by the end of 2012.

     "It's the next 'wow' vehicle,"said Terrafugia vice president Richard Gersh. "Anybody can buy

a Ferrari, but as we say, Ferraris don't fly."

     The car plane has wings that unfold for flying-a process the company says takes one

minute-and fold back up for driving. A runway is still required to take off and land.

     The Transition is being marketed more as a plane that drives than a car that flies, although it is

both. The company has been working with FAA to meet aircraft regulations, and with the National

Highway Traffic Safety Administration to meet vehicle safety regulations.

     The company is aiming to sell the Transition to private pilots as a more convenient and cheaper

way to fly. They say it saves you the trouble of trying to find another mode of transportation to get

to and from airports: You drive the car to the airport and then you're good to go. When you land,

you fold up the wings and hit the road. There are no expensive parking fees because you don't have

to store it at an airport-you park it in the garage at home.

     The carplane is designed to fly primarily under 10,000 feet. It has a maximum takeoff weight of

1,430 pounds, including fuel and passengers. Terrafugia says the Transition reduces the potential for

an accident by allowing pilots to drive under bad weather instead of flying into marginal(临界)

conditions.

    The Transition's price tag: $194,000. But there may be additional charges for options like a radio,

transponder or GPS. Another option is a fullplane parachute.

     "If you get into a very awful situation, it is the necessary safety option," Gersh said.

      So far, the company has more than 70 orders with deposits. "We're working very closely with

them, but there are still some remaining steps," Brown said.

1. We can learn from the first paragraph that________. 

A. carplanes will be popular in 2012

B. people might drive a carplane in 2012

C. both Transition and Ferrari can take off and land

D. Richard Gersh is the vice president of Massachusetts

2. It takes the carplane one minute to________.

A. fold and unfold its wings          

B. unfold wings for flying

C. land in the airport                

D. meet flying safety regulations

3. According to the passage, which of the following is NOT true? 

A. The carplane needs a runway to take off and land.

B. To meet aircraft regulations, the company has been working with FAA.

C. The carplane may fly as high as normal planes.

D. People can park the carplane in the garage at their home.

4. The underlined word "it" in the last but one paragraph refers to________.

A. the radio    

B. the transponder      

C. the GPS    

D. the fullplane parachute

5. What's the best title for the passage? 

A. Cars With Wings May Be Just Around The Corner

B. Which To Choose: A Ferrari Or A CarPlane?

C. A More Convenient And Cheaper Way To Fly

D. Cars With Wings Can Fly As Fast As Plane

题型:单项选择题

下列有关整形外科操作正确的是()。

A、缝合时可过度的张力缝合

B、缝合时可过分松弛的张力缝合

C、过度夹持、挤压、牵拉、扭转组织

D、用干燥或过热的纱布湿敷组织

E、应遵守无菌操作技术规则

题型:单项选择题

当3kV~35kV变压器的所有绕组出线上或在离变压器电气距离>5m时,可以装设阀式避雷器。()

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