2021年秋季北京师范大学网络教育大学英语入学测试模拟题及答案11

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5.

Even if you are a good high-jumper,you can jump only about seven feet off the ground.You cannot jump any higher because the earth pulls you hard.The pull of the earth is called gravity.

You can easily find out the pull of the earth.If you weigh yourself,you will know how much gravity is pulling you.

Since there is gravity,water runs down hill.When you throw a ball into the air,it falls back down.Because of gravity,you do not fall off the earth as it whirls(旋转)around.

Then,can we get away from the earth and go far out into space?Now you can do it,because spaceships have been invented.Then spaceship will go so fast that it can escape the earth’s gravity and carry you into space.

(1).In this passage,the word“gravity”means.

A.the pull of everything.

B.the force of attraction(吸引)among objects.

C.the force which attracts objects towards the centre of the earth

D.the force which attracts the earth towards the sun.

标准答案C

(2).When you slip you always fall to the ground because.

A.the earth always turns round.B.the earth has gravity

C.the earth’s gravity is greater than your weight.D.you are careless.

标准答案B

(3).Gravity is strong that.

A.it can throw a ball into the air.B.it makes you jump only seven feet.

C.it can let you fly away from the earth.D.it can keep everything on earth.

标准答案D

(4).Because of gravity,.

A.water flows everything.B.we can go everywhere by ship.

C.water always flows downwards.D.fish can live in water.

标准答案C

(5).We can get away from the earth by spaceship because.

A.the spaceship goes very fast.B.the earth can’t pull the spaceship.

C.the spaceship has a strong force.D.the spaceship can jump higher than other things.

标准答案A

6.

Elizabeth Blackwell was born in England in 1821,and moved to New York City when she was ten years old.One day she decided that she wanted to become a doctor.That was nearly impossible for a woman in the middle of the nineteenth century.After writing many letters asking for admission to medical schools,she was finally accepted by a doctor in Philadelphia.She was so determined that she taught school and gave music lessons to get money for the cost of schooling.

In 1849,after graduation from medical school,she decided to further her education in Paris.She wanted to be a surgeon(外科医师),but a serious eye problem forced her to give up the idea.

Upon returning to the United States,she found it difficult to start her own practice because she was a woman.By 1857 Elizabeth and her sister,also a doctor,along with another woman doctor,managed to open a new hospital,the first for women and children Besides being the first woman physician and founding her own hospital,she also set up the first medical school for women.

(1).Why couldn’t Elizabeth Blackwell realize her dream of becoming a surgeon?

A.She couldn’t get admitted to medical school.

B.She decided to further her education in Paris.

C.A serious eye problem stopped her.

D.It was difficult for her to start a practice in the United States.

标准答案C

(2).What main obstacle almost destroyed Elizabeth’s chances for becoming for a doctor?

A.She was a woman.

B.She wrote too many letters.

C.She couldn’t graduate from medical school.

D.She couldn’t set up her hospital.

标准答案A

(3).How many years passed between her graduation from medical school and the opening of her hospital?

A.Eight years B.Ten years C.Nineteen years D.Thirty-six years

标准答案A

(4).According to the passage,all of the following are“firsts”in the life of Elizabeth Blackwell,except that she.

A.became the first woman physician.

B.was the first woman doctor.

C.and several other women founded the first hospital for women and children.

D.set up the first medical school for women.

标准答案B

(5).Elizabeth Blackwell spent most of her lift in.

A.England B.Paris C.the United States D.New York City

标准答案C

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