2 . 阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。

My family and I were taking a well-deserved vacation to Disneyland. I had never been there before and was eagerly anticipating experiencing the magic.

There was another reason that this trip was special. My father was a workaholic who worked long hours. I longed to spend time with him. I wanted to be able to sit down with my father, who I loved more than life, and just talk. It always seemed like there was never time.

The day finally arrived when I was allowed to pack my clothes. I chose only my favourite outfits. I threw in my autograph book and then muscled the suitcase zipper around the overflow of clothes. I set my suitcase on my comforter and smiled. I was ready.

I didn’t get any sleep that night. I lay in my bed and stared out the window. I knew that my father’s work was going to be left at home, finally.

After a brief breakfast we hit the open road. It was all smooth sailing for the first couple of hours until I unexpectedly felt a sharp stop. We coasted to the side of the road, and my dad said something was wrong with the engine. We were in the middle of four lanes of traffic, so he decided the easiest thing to do would be to signal someone to stop and get a ride into town.

An hour later, my dad was still waving his hands at each and every passing car but it wasn’t doing any good. Not a single person would stop to assist my helpless family. Finally, Father gave up and decided to walk into town. I was certain it was a very long distance. I pleaded with him to stay and try again, but he was deaf to my pleading. He just said that he wouldn’t let anything ruin this trip for me. My heart ached as he put on his coat and began to walk away from our car. My dad has a back problem, and he was too stubborn to admit that he wasn’t in any condition to even walk a couple of miles.

注意：1.续写词数应为150左右;
2.请按如下格式在答题卡的相应位置作答。

Then I saw a man out of the window, who was a truck driver.

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After reaching the town, we expressed our thanks again.

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3 . On March 7, 1907, the English statistician Francis Galton published a paper which illustrated what has come to be known as the “wisdom of crowds” effect. The experiment of estimation he conducted showed that in some cases, the average of a large number of independent estimates could be quite accurate.

This effect capitalizes on the fact that when people make errors, those errors aren’t always the same. Some people will tend to overestimate, and some to underestimate. When enough of these errors are averaged together, they cancel each other out, resulting in a more accurate estimate. If people are similar and tend to make the same errors, then their errors won’t cancel each other out. In more technical terms, the wisdom of crowds requires that people’s estimates be independent. If for whatever reasons, people’s errors become correlated or dependent, the accuracy of the estimate will go down.

But a new study led by Joaquin Navajas offered an interesting twist (转折) on this classic phenomenon. The key finding of the study was that when crowds were further divided into smaller groups that were allowed to have a discussion, the averages from these groups were more accurate than those from an equal number of independent individuals. For instance, the average obtained from the estimates of four discussion groups of five was significantly more accurate than the average obtained from 20 independent individuals.

In a follow-up study with 100 university students, the researchers tried to get a better sense of what the group members actually did in their discussion. Did they tend to go with those most confident about their estimates? Did they follow those least willing to change their minds? This happened some of the time, but it wasn’t the dominant response. Most frequently, the groups reported that they “shared arguments and reasoned together”. Somehow, these arguments and reasoning resulted in a global reduction in error. Although the studies led by Navajas have limitations and many questions remain, the potential implications for group discussion and decision-making are enormous.

1. What is paragraph 2 of the text mainly about?

A．The methods of estimation.	B．The underlying logic of the effect.
C．The causes of people’s errors.	D．The design of Galton’s experiment.

2. Navajas’ study found that the average accuracy could increase even if ________.

A．the crowds were relatively small	B．there were occasional underestimates
C．individuals did not communicate	D．estimates were not fully independent

3. What did the follow-up study focus on?

A．The size of the groups.	B．The dominant members.
C．The discussion process.	D．The individual estimates.

4. What is the author’s attitude toward Navajas’ studies?

A．Unclear.

B．Dismissive.

C．Doubtful.

D．Approving.

4 . 假定你是李华，你校文化俱乐部即将举办唐诗鉴赏会。请你给交换生朋友Fred写封邮件，邀请他参加。内容包括：
1. 时间、地点； 2. 内容：唐诗诵读与鉴赏、诗歌创作经验交流等；3. 意义。
注意：写作词数应为80左右。
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