高二英语必修五课后练习.：Unit1-1

能力提升

Ⅰ.阅读理解

With its special elegant body and spotted coat, the cheetah (猎豹) is the most unique member of the cat family.As the world's fastest land mammal, the cheetah can reach speeds of 112 km/h. A cheetah can go from 0 to 96 kilometers per hour in only three long steps. However, with a lean body and small teeth, the cheetah cannot fight larger animals. This gives the cheetah a double risk as they are placed in direct conflict with humans. Farmers that live nearby shoot, trap and poison cheetahs, because they think that cheetah will kill their livestock (牲畜)．

The cheetah is now endangered. It was once found across all of Africa, extending eastwards into Asia. However，hunting, habitat destruction and loss of prey (猎物) have meant that cheetahs are now only found in a few countries in Africa. The International Union of Conservation of Nature recently reported that only about 7,500 adult cheetahs remain in the wild. This makes the small populations of cheetahs even more precious and worthy of protection.

The Wildlife Conservation Fund has teamed up with the Central Kalahari Research Group to study and protect the remaining cheetahs.

In order to find out more about these animals, two adult cheetahs were fitted with GPS satellite collars. These collars provide information about how cheetahs move through their environment. And they provide an excellent way to study cheetahs which have been released back into the wild.Understanding the cheetah's behavior is an important step for their protection. Also, it is necessary to cooperate with local farmers and other land users to reduce the killing of cheetahs.

1．What makes it difficult for the cheetah to fight larger animals? A．Its big head and small mouth. B．Its strong legs and fat feet. C．Its thin body and tiny teeth. D．Its short toes and long tail.

2．Which is NOT the reason why cheetahs are endangered? A．Loss of food. B．An elegant body. C．Habitat destruction. D．Hunting and killing.

3．What is the function of the “collars” in the last paragraph?

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A．To catch more cheetahs and kill them. B．To protect the habitat where cheetahs live.

C．To protect cheetahs from being caught by other big animals. D．To get information about cheetahs and understand their behavior. 4．What can we learn from this passage?

A．Cheetahs are disappearing slowly from the world. B．The protection of cheetahs is urgently needed. C．Cheetahs always catch farmers' livestock for food. D．Cheetahs are able to adapt to the environment well. Ⅱ.阅读填句

Using a Mobile Phone to Improve Mother and Child Health

People around the world are working to expand the uses for mobile technology in health care. In the world, there are six billion mobile phone users in a population of seven billion people.

__1__ Africa has widespread adoption. Three or four years ago the penetration rates were 20 percent or 30 percent, and now they're getting upwards of 60 percent in some countries.

__2__ Earlier research has been to look at mobile technologies and HIV and AIDS. And so we have some great evidence on the effectiveness of mobiles.

During the first week of December, 2012, more than 4,000 people from 50 countries met for the fourth annual Health Summit. It brought together experts from what the organizers call the Health ecosystem.

In 2011 Secretary of State Hillary Clinton started a public/private partnership called the Mobile Alliance for Maternal Action, or MAMA. There are about 800 women a day and about three million babies a year die from pregnancy and childbirth-related causes. __3__ The messages cover pregnancy and the first year of a baby's life. These health messages may also be sent to a pregnant woman's husband and mother-in-law. __4__ Messages can be text or voicemail. You can have a pregnant woman in Bangladesh registered into a system that provides messages that help her know what to do and when to do certain things.

Simple text messages can be important sources of information to people without Internet access. __5__ They have to be able to read through thousands of entries that come back to them on Google, for example, and then figure out what that information means to them. And that's not something that someone in a poor and uneducated kind of situation can do.

A．They have no access to the relevant information. B．That way they too can understand what needs to be done. C．Millions of messages about baby care are received every day.

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D．A lot of work has been done to use mobile technology for health. E．And the most rapidly growing markets are those in developing countries. F．The program sends messages to women to educate them about their health. G．Besides, online users may sometimes not understand all the information available. Ⅲ.短文改错

What could be more refreshing than drinking a can of icy cold soda after exercising? Soda is the popular drink all over the world. But drinking too many of it can have serious health consequences. For instance, weight gain is a strongly possibility, because of soda is high in sugar and calories. Drinking soda has also been linked to tooth decay(蛀牙). In fact, the acid in soda can begin damaging enamel(牙釉质) just 20 minute after soda is drinking, according to a survey. Unfortunately, sales of soda is going down in the US, as the survey shows. That's probably why nowadays people are more aware this sweet drink's health risks.

答案

Ⅰ.阅读理解

猎豹是最独特的猫科动物，但猎杀、栖息地的破坏以及猎物的减少使猎豹数量减少，它们急需被保护。

1．C 细节理解题。根据第一段中的“However, with a lean body and small teeth, the cheetah cannot fight larger animals.”可知，因为猎豹身体瘦、牙齿小，所以它们很难对抗较大的动物。

2．B 细节理解题。根据第二段中的“However, hunting, habitat destruction and loss of prey (猎物) have meant that cheetahs are now only found in a few countries in Africa.”可知，优雅的身体并不是猎豹成为濒危物种的原因。

3．D 细节理解题。根据最后一段中的“These collars provide information about how cheetahs move through...Understanding the cheetah's behavior is an important step for their protection.”可知，D项正确。

4．B 推理判断题。根据第二段尤其是第二段的最后一句“This makes the small populations of cheetahs even more precious and worthy of protection.”可知，猎豹急需被保护。

Ⅱ.阅读填句 1—5 EDFBG Ⅲ.短文改错

What could be more refreshing than drinking a can of icy cold soda after exercising?

3

Soda is the popular drink all over the world. But drinking too many of it can have serious

a

much

health consequences. For instance, weight gain is a strongly possibility, because ＼of soda is

strong

high in sugar and calories. Drinking soda has also been linked to tooth decay(蛀牙). In fact, the acid in soda can begin damaging enamel(牙釉质) just 20 minute after soda is drinking，

minutes

drunk

according to a survey. Unfortunately， sales of soda is going down in the US, as the survey

Fortunately

are

shows. That's probably why nowadays people are more aware ∧ this sweet drink's

because

of

health risks.

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