In ancient China, people used to send smoke _____to warn that the enemy were coming.

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文： Sign language is a way of talking by using signs. Indians used sign language when they met strangers. In this way, they could find out whether the stranger was a friend or an enemy. In Indian sign language, signs were made with the hands. One sign meant "man". Another meant "horse". To tell the time of day when something happened, an Indian pointed to the sky. He showed where the sun had been at the time.

Indians usually used signals when they wanted to send messages to someone far away. To make signals, an Indian might use a small horse. He might use smoke, a mirror or fire arrows.

To signal that he had seen many animals, an Indian rode his small horse in a large circle. Some times the Indian gave a signal like this and then went away to hide. This meant that there was danger.

He could also send many signals with a mirror. He usually used the mirror to warn someone of danger. Or he attempted to get the attention of a person far way. But he also used it to send messages in code.

Of course, mirrors could only be used when the sun was shining. At night. Indians used fire arrows for signaling.

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A．When they wanted to kill an enemy.

B．When they wanted to identify a stranger.

C．When they wanted to tell the time of the day.

D．When they wanted to send a message to a person far away.

In the ancient castles, smoke went out through______.

A．the windows

B．the doors

C．the chimney

D．a hole in the roof

It must have been after two o'clock in the morning when the last guests【B1】their leave, and although we had enjoyed their【B2】, my wife and I were quite thankful to shut the door【B3】them. We【B4】all the dirty dishes and glasses as they were, and after opening a few windows to let some fresh air in and the smell of stale【B5】out, we climbed into bed and fell asleep. I could not have been【B6】for more than half an hour when I woke with a【B7】smell of smoke in my nose. Still half asleep, I【B8】into the sitting room, and, there through【B9】clouds of smoke, I saw that one of the curtains was【B10】fire. I should have closed the windows then without delay, but【B11】I tried to beat out the flames with a folded newspaper.【B12】this failed I hastened into the kitchen to【B13】a bucket and fill it with water. At the same time I shouted to Barbara, who【B14】dialed 999 to summon the fire brigade【B15】coming to my aid. We had to work at top speed carrying buckets of water from the kitchen to prevent the flames,【B16】by the breeze from the windows, from spreading. We were unable to【B17】out the fire but we managed to keep it【B18】in check until the arrival of the firemen. Fortunately, they arrived promptly and they had little difficulty【B19】putting out the flames. For most of the【B20】of the day we worked hard.

【B1】

A．asked

B．took

C．got

D．waited

听力原文： My first semester of college was the worst I've been through. I had made plans during the summer to share an apartment with two of my close friends from high school. But before we moved in，problems started developing.

One of the two girls I was to share an apartment with was going to work instead of going to college。 However，a week before we were to move in，she found out that she didn't get the job. She is forced to live at home and look for work. The rest two of us lasted for a month and then agreed that we couldn't make it with the higher monthly rent payments. I started looking around.

I found another apartment and the rent wasn't bad. The place was noisy，but it was the best I could afford for the time. However，one day when I returned，I saw smoke coming from the back of the house. The cottage had caught fire，and my room was a burned mess。I was once more out of a place to stay.

I finally gave up looking around and moved home. I had to drive forty miles to school every day，so I almost spent as much on gas as I would have on lodging. I was very bored I almost lost the will to study. It had been really a bad semester!

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A．To look for two of her close friends.

B．To stay at home and study.

C．To share an apartment with friends.

D．To move out and live alone.

Thirty-two people watched kitty Genovese being killed right beneath their windows. She was their neighbor. Yet none of the 32 helped her. Not one even called the police. Was this in gunman cruelty? Was it lack of feeling about one's fellow man?

"Not so", say scientists John Barley and Bib Fatane. These men went beyond the headlines to probe the reasons why people didn't act. They found that a person has to go through two steps before he can help. First he has to notice that is an emergency.

Suppose you see a middle-aged man fall to the side-walk, is he having a heart attack? Is he in a coma from diabetes? Or is he about to sleep off a drank?

Is the smoke coming into the room from a leak in the air conditioning? Is it "steam pipes", or is it really smoke from a fire? It's not always easy to tell if you are faced with a real emergency.

Second, and more important, the person faced with an emergency must feel personally responsible. He must feel that he must help, or the person won't get the help he needs.

The researchers found that a lot depends on how many people are around. They had college students in to be "tested". Some came alone. Some came with one or two others. And some came in large groups. The receptionist started them off on the "tests". Then she went into the next room. A curtain divided the "testing room" and the room into which she went.

Soon the students heard a scream, the noise of file cabinets filling and cry for help. All of this had been pm-recorded on a tape-recorder.

Eight out of ten of the students taking the test alone acted to help. Of the students in pairs, only two out of the ten helped. Of the students in group, none helped.

In other words, in a group, Americans often fail to act. They feel that others will act. They, themselves, needn't. They do not feel any direct responsibility.

Are people bothered by situation where people are in trouble? Yes, scientists found that the people were emotional, they sweated, they had trembling hands. They felt that other person's trouble. But they did not act. They were in a group. Their actions were shaped by the actions of those they were with.

The purpose of the passage is______.

A．to explain why people fail to act in emergencies

B．to explain when people will act in emergencies

C．to explain what people will do in emergencies

D．to explain how people feel in emergencies

There is a philosophical question as to whether people should have to inhale others' smoke.

A．a finding of the UCSF study

B．an opinion of the UCSF study

C．a finding of the EPA report

D．an assumption of consultants to the tobacco industry