Ever since Picasso's painting went on exhibit, there large crowds at the museum every day. A. is B. has been C. have been D. are being 题目和参考答案——青夏教育精英家教网—

题目内容

45.Ever since Picasso's painting went on exhibit, there ________ large crowds at the museum every day.

A. is

B. has been

C. have been

D. are being

答案：C
提示：

题目考察现在完成时态的用法。短语Ever since表示从那时到现在，所以应该用现在完成时态。注意there be 句型为部分倒装，主语在后。本句主语为crowds，所以应用动词have与之相配

练习册系列答案

相关题目

I must have been about fourteen then, and I put away the incident from my mind with the

easy carelessness of youth. But the words, Carl Walter spoke that day, came back to me years

later, and ever since have been of great value to me.

Carl Walter was my piano teacher. During one of my lessons he asked how much practicing I was doing. I said three or four hours a day.

"Do you practice in long stretches, an hour at a time?"

"I try to."

"Well, don't," he exclaimed. "When you grow up, time won't come in long stretches. Practice in minutes, whenever you can find them five or ten before school, after lunch, between household tasks. Spread the practice through the day, and piano-playing will become a part of your life."

When I was teaching at Columbia, I wanted to write, but class periods, theme-reading, and committee meetings filled my days and evenings. For two years I got practically nothing down on paper, and my excuse was that I had no time. Then I remembered what Carl Walter had said. During the next week I conducted an experiment. Whenever I had five minutes unoccupied, I sat down and wrote a hundred words or so. To my astonishment, at the end of the week I had a rather large manuscript ready for revision, later on I wrote novels by the same piecemeal method. Though my teaching schedule had become heavier than ever, in every day there were idle moments which could be caught and put to use. I even took up piano--playing again, finding that the small intervals of the day provided sufficient time for both writing and piano practice.

There is an important trick in this time--using formula: you must get into your work quickly. If you have but five minutes for writing, you can't afford to waste four chewing your pencil. You must make your mental preparations beforehand, and concentrate on your task almost instantly when the time comes. Fortunately, rapid concentration is easier than most of us realize.

I admit I have never learnt how to let go easily at the end of the five or ten minutes. But life can be counted on to supply interruptions. Carl Walter has had a tremendous influence on my life. To him I owe the discovery that even very short periods of time add up to all useful hours I need, if I plunge（投入）in without delay.

56．The meaning of “stretch” in the underlined part is the same as that in sentence “ ”.

A．The forests in the north of the province stretch for hundreds of miles.

B．Bob worked as a government official for a stretch of over twenty years.

C．My family wasn’t wealthy by any stretch of the imagination.

D．During his senior year his earnings far enough to buy an old car.

57．Which of the following statements is true?

　　A．The writer didn’t completely take the teacher’s words to heart at first.

　　B．Carl Walter has had a great influence on the writer's life since he became a student.

　　C．The writer owes great thanks to his teacher for teaching him to work in long stretches.

　　D．Rapid concentration is actually more difficult than most people imagine.

58．We can infer that the writer .

A．has new books published each year however busy his teaching is

B．is always tired of interruptions in life because his teaching schedule is always heavy

C．has formed a bad habit of chewing a pencil while writing his novels

D．can find sufficient time for mental preparations beforehand, so he's devoted to work instantly

59．What is the best title of this passage?

A．Concentrate on Your Work B．A Little at a Time

C．How I Became a Writer D．Good Advice Is Most Valuable

Do you know what the White House is? Perhaps some of you do，while others don't.
　　The White House is a house in Washington. The president of the U.S.A. lives in it. It's really white. But do you know why the White House is white? The story happened in 1812. That year England was at war with America. The British army got to Washington and set the president's house on fire. In 1814，in order to hide the marks of the fire，the stone walls of the president's house were painted white and it has been the "White House” ever since.
【小题1】White House is a house for ___________.
A. the American people.
B. the soldiers of U.S.A.
C. the presidents of U.S.A.
D. the patients of U.S.A.
【小题2】England fought with America in ____________.

【小题3】The house is called "White House" because ____________.

A．it's covered with snow

B．the house is very clean

C．the stone walls of the house were painted white

D．they like white colour

【小题4】The White House was painted white because ____________.

A．the house is old　　

B．the house is new

C．it was once on fire and was with marks

D．they have enough paint

【小题5】"ever since" means ___________.

Getting rid of dirt, in the opinion of most people, is a good thing. However, there is nothing fixed about attitudes to dirt.

In the early 16^th century, people thought that dirt on the skin was a means to block out disease, as medical opinion had it that washing off dirt with hot water could open up the skin and let ills in. A particular danger was thought to lie in public baths. By 1538, the French king had closed the bath houses in his kingdom. So did the king of England in 1546. Thus began a long time when the rich and the poor in Europe lived with dirt in a friendly way. Henry IV, king of France, was famously dirty. Upon learning that a nobleman had taken a bath, the king ordered that, to avoid the attack of disease, the nobleman should not go out.

Though the belief in the merit of dirt was long-lived, dirt has no longer been regarded as a nice neighbor ever since the 18^th century. Scientifically speaking, cleaning away dirt is good to health. Clean water supply and hand washing are practical means of preventing disease. Yet, it seems that standards of cleanliness have moved beyond science since World War II. Advertisements repeatedly sell the idea: clothes need to be whiter than white, cloths ever softer, surfaces to shine. Has the hate for dirt, however, gone too far?

Attitudes to dirt still differ hugely nowadays. Many first-time parents nervously try to warn their children off touching dirt, which might be responsible for the spread of disease. On the contrary, Mary Ruebush, an American immunologist (免疫学家)， encourages children to play in the dirt to build up a strong immune system. And the latter position is gaining some ground.

1.The kings of France and England in the 16^th century closed bath houses because________.

A. they lived healthily in a dirty environment

B. they thought bath houses were too dirty to stay in

C. they believed disease could be spread in public baths

D. they considered bathing as the cause of skin disease

2.Which of the following best describes Henry IV’ s attitude to bathing?

A. Afraid B. Curious C. Approving D. Uninterested

3.How does the passage mainly develop?

A. By providing examples.

B. By making comparisons.

C. By following the order of time.

D. By following the order of importance.

4.What is the author’s purpose in writing the passage?

A. To stress the role of dirt.

B. To introduce the history of dirt.

C. To call attention to the danger of dirt.

D. To present the change of views on dirt.

—Does your uncle still smoke?

—He ____________given it up. It’s two years ever since he ____________.

A. can’t have; smoked B. may have; smoked

C. should have; has smoked D. should have; didn’t smoke

Maybe ten-year-old Elizabeth put it best when she said to her father, “But, Dad, you can’t be healthy if you’re dead.”

Dad, in a hurry to get home before dark so he could go for a run, had forgotten to wear his safety belt－a mistake 75% of US population makes every day. The big question is why.

There have been many myths about safety belt ever since their first appearance in cars some forty years ago. The following are three of the most common.

Myth the Number One: It’s best to be “thrown clear” of a serious accident.

Truth: Sorry, but any accident serious enough to “throw you clear” is able to be serious enough to give you a very bad landing. And chances are you’ll have traveled through a windshield(挡风玻璃) or door to do it. Studies show that chances of dying after a car accident are twenty－five times in cases where people are “thrown clear”.

Myth Number Two: Safety-belts “trap” people in cars that are burning or sinking in water.

Truth: Sorry again, but studies show that people knocked unconscious(昏迷) due to not wearing safety belts have a greater chance of dying in these accidents. People wearing safety belts are usually protected to the point of having in these accidents. People wearing safety belts are usually protected to the point of having a clear head to free themselves from such dangerous situation, not to be trapped in them.

Myth Number Three: Safety belts aren’t needed at speeds of less than 30 miles per hour(mph).

Truth: When two cars traveling at 30 mph hit each other, an unbelted driver would meet the windshield with a force equal to diving headfirst into the ground from a height of 10 metres.

1.Why did Elizabeth say to her father, “But, Dad, you can’t be healthy if you’re dead”?

A．He was driving at a great speed.

B．He was running across the street.

C．He didn’t have his safety belt on.

D．He didn’t take his medicine on time.

2.The reason why father was in a hurry to get home was that he .

A．wasn’t feeling very well

B．hated to drive in the dark

C．wanted to take some exercise

D．didn’t want to be caught by the people

3. According to the text, to be “thrown clear” of a serious accident is very dangerous because you .

A．may be knocked down by other cars.

B．may get serious hurt thrown out of the car

C．may find it impossible to get away from the seat

D．may get caught in the car door

4.Some people prefer to drive without wearing a safety belt because they believe .

A．the belt prevents them from escaping in an accident

B．they will be unable to think clearly in an accident

C．they will be caught when help comes

D．cars catch fire easily

5.What is the advice given in the text?

A．Never drive faster than 30 miles an hour.

B．Try your best to save yourself in a car accident.

C．Never forget to wear the safety belt while driving.

D．Drive slowly while you’re not wearing a safety belt.

试题分类