—Jim took ___ one-hour ride just now.What a short time he spent finishing such a long way!

—He is ______ experienced rider.

A.an; the B.a; an

C.a; the D.an; a

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My mom asked me ___________ her to do housework.

A. help B. to help

C. helping D. help with

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閱讀下面短文，根據(jù)所讀內(nèi)容，在文章后1-10小題的空格里填入一個(gè)最恰當(dāng)?shù)膯卧~。注意：每個(gè)空格只填1個(gè)單詞。

Some people dislike hiking because they think it is too difficult. However, sometimes it can really be as easy as going out to the park and walking by the river. The places for hiking should be far away from the cars and the noise. Here’s some useful advice for people to go hiking.

First of all, when you choose your first hike, you should be careful. If you choose a too easy one, you’ll still have a nice day outside to enjoy. However, if you choose a too hard one, you may be very tired and can’t have a good time.

Secondly, it’s good for a beginner to join a group. The people in a group can help each other. If you decide to take a hike by yourself, you should prepare as much as possible. You should wear right shoes to make your feet comfortable. Also, take a map with you. If not , you’ll fail to find your way home.

At last, don’t forget to take a mobile phone or a whistle(口哨). When you are in trouble, you can use it to get help. A pleasant hike will give you a sense of freedom(自由) and you will also have a clear mind(頭腦) and then return to your studies after it.

Something about hiking

It’s difficult for some people to take a hike, but sometimes it’s 1. to take it. You should take a hike in a far and 2. place.

First of all

You must be careful to choose your first hike. If it’s too hard, you may feel tired instead of 3. your hike.

Secondly

It’s good for a beginner to go hiking with a 4. .

When you decide to take a hike 5. , you should prepare6. .

7. a map, you may lose your way.

If you don’t wear 8. shoes, your feet may feel uncomfortable.

9.

When you are in trouble, a mobile phone or a whistle may 10. others to know where you are. A pleasant hike will be good for your studies.

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—Where’s your mother?

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You are probably familiar with the saying：An apple a day keeps the doctor away.A recent research carried out by the Chinese University of Hong Kong may change the saying:

An apple a day may keep aging away.

The research chose fruit flies(果蠅), as they share many genes(基因)with humans.The fruit flies were either fed normally or had an apple extract(濃縮物) added to their diet.

It turned out that those fruit flies that were given apple extract lived about 55 days—five days longer than the flies that were normally fed.The research group also found it easier for the flies to walk，climb and move about as they aged.

According to the result, the researchers believed that the antioxidants(抗氧化劑) in the apple extract helped clean up dangerous chemicals(化學(xué)物質(zhì)) that cause illnesses，as well as aging.

In another study，researchers examined diets of thousands of women.They discovered that those who regularly ate apples were 20 percent less likely to suffer heart illnesses and stroke.

The apples’ genetic code(遺傳密碼) was discovered recently.It allows scientists to develop nicer and healthier fruits.Researchers are already using the information to grow a kind of apples full of antioxidants that can keep eyes and joints healthy and protect humans against heart illnesses and cancer.

Apples that kill the desire(欲望) to eat could also be produced, with the first “extra-healthy’’ apples on supermarket shelves within just four or five years.

The team that keeps studying apple DNA includes 100 scientists from five countries.Their research also suggests that around 65 million years ago, when dinosaurs began to die off the plant，which would finally become today’s apple tree, experienced a great genetic change.The number of many of its genes doubled.The extra genes allowed the apple to get used to worse conditions and go through a different development from peaches，strawberries and other related fruits.

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A.Because they have a similar diet to humans.

B.Because they have a history as long as apples.

C.Because they share a lot of genes with humans.

D.Because they feed on nothing but apple extract.

2.What result did the researchers find out?

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B.Apples have antioxidants that kill chemicals that cause aging.

C.Apples are rich in vitamins that are needed in humans’ bodies.

D.Apples produce chemicals that make apples taste more delicious.

3.What can we infer(推斷)from the passage?

A.Eating apples may bring us more advantages than we might believe before.

B.People who have the habit of eating apples don’t need to see a doctor.

C.Apples that kill the desire to eat are already available in supermarkets now.

D.People will eat apples instead of peaches and strawberries from now on.

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My parents __________ supper before I got home last night.

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Our teachers are very friendly ____ .

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“Have you finished your lesson, George?” Said Mr. Prentice to his son, who had laid aside his book and was busy making a large paper kite.

“No, father,” replied George, hanging down his Head.

“ 1. ”

“Because it is so difficult, father, I’m not sure that I shall never learn it. 2. . My memory is so bad.”

“If I were to promise you a holiday on the thirtieth of the month after next, do you think you would forget the date?”

“ 3. ”

“You are good at skating, and flying your kite, and playing footballs, are you not?” “Yes, father.”

“And you cannot learn your lesson! My dear boy, you are lying to yourself. 4. ” “But have I not tried, father?” again asked George.

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C. It is easy.

D. Well, try again.

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In recent months, many French teachers and parents complain (抱怨) that their children are bright than they were.They say young people visit museums less often and spend time on the Internet.In their spare time they only read cartoons and music, and like American culture more than their own.

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Most French teens love music, with 86% putting it as their top , above the cinema, sport and television.French kids read a lot and like many things, from Japanese cartoons American novels.

Many French people worry that their children too many American films and listen to too much American music like Britney Spears.

But the of this survey prove (證明) that French young people like their own culture.As Silvia Berlin, a student from Paris, says, “I love watching American TV after school, I watch more French programs.I love being French!”

1.A.little B.less C.much D.more

2.A.too much B.much too C.too many D.so many

3.A.look up B.look for C.listen to D.look through

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6.A.important B.different C.necessary D.wrong

7.A.at B.in C.to D.among

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