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Wisdom teeth are normally the last teeth to appear.This usually happens when people are in their late teen years or early twenties，in other words，when they are older and wiser.
Wisdom teeth can grow into place normally and never cause a problem.But often there is not enough room for them in the mouth；they might crowd other teeth.Sometimes they even push sideways through the gums (齿龈)．
An impacted wisdom tooth is one that fails to completely rise through the gums.Wisdom teeth that only partly break through can leave space for bacteria to enter around the teeth.Infection (感染) is a risk in these cases.
Wisdom teeth that are not well lined and become impacted are often removed.The American Dental Association says removal is generally advised when wisdom teeth only partly break through the gums.Removal is also advised if there is a chance that wisdom teeth ate poorly lined.The best time to remove is before the teeth cause any problems or pain.Young adults are the best candidates for wisdom teeth removal.
But why do we have wisdom teeth if we often need to get them removed？One theory has to do with our diets.Scientists say the diet of ancient humans probably required more chewing teeth.Life was probably a little rougher on the teeth back then，too.So it was good to have extras.
1.According to the passage，which of the following statements is NOT true?
A．Just older and wiser people can have wisdom teeth.
B．Wisdom teeth can cause problems if not in their right place.
C．Impacted wisdom teeth can’t grow out of the gum fully.
D．Wisdom teeth that only partly break can get bacterial infections.
2.Wisdom teeth should be removed________.
A．when they break through the gums
B．when they are below the gums
C．if they are not well lined or get impacted
D．if they take up enough room in the mouth
3.We can learn from the passage that________.
A．impacted wisdom teeth have the risk of getting infected
B．ancient humans need chewing teeth because of their happy life
C．older adults are the best candidates for wisdom teeth removal
D．more chewing teeth are needed for the diet of modern humans
4.The main purpose of the passage is to________.
A．advise B．persuade C．comment D．introduce
试题答案
1.A
2.C
3.A
4.D
【解析】
1.细节理解题。根据文章第一段可知，所谓的智齿是指在青少年晚期或二十岁出头长出的牙齿，而不是只有老人或智者才有的牙齿。
2.细节理解题。根据文章第四段第一句“Wisdom teeth that are not well lined and become impacted are often removed.”可知，C项正确。
3.推理判断题。根据文章第三段可知，阻生智齿(即impacted wisdom teeth)会在牙齿周围给细菌留出进入的空间，这就有被感染的风除。故选A。根据第四段最后一句可排除C项；根据最后一段可排除B、D两项。
4.写作意图题。本文是一篇说明文。文章主要介绍了长智齿的大约时间、智齿可能导致的问题、拔掉智齿的时间、为什么长智齿等内容。所以本文写作的主要目的就是介绍。
In the past ten years, many scientists have studied the differences between men and women. And they all got the same answer: The sexes(性别) are different, because their brains are different. And this, the scientists say, makes men and women see the world in different ways.
Boys, for example, generally are better than girls at mathematical ideas. Boys also generally are better than girls at the kind of hand and eye movements necessary for ball sports. Girls, on the other hand generally start speaking earlier than boys. And they generally see better in the dark than boys and are better at learning foreign languages.
What makes men and women better at one thing or another? The answer is the brain. The brain has two sides connected by nerve(神经) tracks. The left side generally is used for mathematics, speech and writing. The right side is used for artistic creation(创造) and the expression for emotions(情感). In men and women, different areas in each side of the brain develop differently. In boys, for example, it’s the area used for mathematics. In girls, it is the area used for language skills. Another interesting difference is that the two sides of a man’s brain are connected by a smaller number of nerves than the two sides of a woman’s brain are.
1.Which of the following is the best title of the article?
A. Research on the Brain
B. Men and Women are Different in Brain
C. People’s Different Brains
D. Who Are Better, Boys or Girls
2. __________ men and women think differently.
A. The different brains make
B. Sex makes
C. The different experiences make
D. The influences(影响) of society make
3. According to the article, girls are generally better than boys at __________ in your school.
A. mathematics B. physics
C. English D. chemistry
4.Which of the following is true?
A. The left side of brain in boys generally develops better than that in girls.
B. The left side of brain in girls generally develops better than that in boys.
C. Men are better than women in all things.
D. The area in girls used for language skills develops better.
5.The number of nerves connecting the two sides of the brain in men __________.
A. is the same as women’s
B. is different from women’s
C. is larger than women’s
D. is twice as large as women’s
试题答案
1.B
2.A
3.C
4.D
5.B
【解析】
试题分析：这篇短文讲述了男性和女性的不同点，男性一般更善于数学和运动，女性一般更善于语言和表达，这些不同主要是由于他们大脑的构成是不一样的。
1.】主旨大意题。这篇短文讲述了男性和女性的不同点，男性一般更善于数学和运动，女性一般更善于语言和表达，这些不同主要是由于他们大脑的生长构成是不一样的，因此B选项是最符合题意的。故选B。
2.】推断分析题。从文中第三段中“ What makes men and women better at one thing or another? The answer is the brain. ”可以看出使男人和女人想法不一样的主要原因是大脑的不同。故选A。
3.】细节分析题。从文中的第二段中“ Girls, on the other hand generally start speaking earlier than boys. And they generally see better in the dark than boys and are better at learning foreign languages.”可以看出女生在外语学上会更优于男生。故选C。
4.】正误判断题。从文中的第二段中“ Girls, on the other hand generally start speaking earlier than boys. And they generally see better in the dark than boys and are better at learning foreign languages.”在另一方面，女孩子开始说话的年龄比男孩子早，而且她们普遍在黑夜看得更清楚，在外语学中更优于男生，从中可以判断出D选项是正确的。故选D。
5.】细节分析题。从文末中“ Another interesting difference is that the two sides of a man’s brain are connected by a smaller number of nerves than the two sides of a woman’s brain are.”可以看出男生和女生在大脑神经构成中是不一样的。故选B。
考点：考查论说文阅读。
.2022 英语周报 29答案。