题目列表(包括答案和解析)
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[1]Global difference in intelligence is a sensitive topic, long filled with a large number of different opinions. But recent data has indeed shown cognitive (认知的) ability to be higher in some countries than in others. What's more, IQ scores have risen as nations develop—a phenomenon known as the "Flynn effect". Many causes have been put forward for both the intelligence difference and the Flynn effect, including education, income, and even non-agricultural labor. Now, a new study from researchers at the University of New Mexico offers another interesting theory: intelligence may be linked to infectious-disease rates.
[2]The brain, say author Christopher Eppig and his colleagues, is the "most costly organ in the human body". Brainpower consumes almost up to 90 percent of a newborn's energy. It's clear that if something affects energy intake while the brain is growing, the impact could be long and serious. And for vast parts of the globe, the biggest threat to a child's body—and therefore brain—is parasitic (由寄生虫引起的) infection. These illnesses threaten brain development________________. They can directly attack live tissue, which the body must then try every means to replace. They can invade the digestive pipe and block nutritional intake. They can rob the body's cells for their own reproduction. And then there's the energy channeled (输送) to the immune system to fight the infection.
[3]Using data on national "disease burdens" (life years lost due to infectious diseases) and average intelligence scores, the authors found they are closely associated. The countries with the lowest average IQ scores have the highest disease burdens without exception. On the contrary, nations with low disease burdens top the IQ list.
[4]If the study holds water, it could be revolutionary for our understanding of the still-confusing variation in national intelligence scores.
1.What is the main idea of the text？(no more than 10 words)________________________
2.Complete the following statement with proper words.(no more than 4 words)
Those countries that have the ________________ are always at the bottom of the IQ list.
3.Fill in the blank in Paragraph 2 with proper words. (no more than 5 words)
___________
4.What can cause intelligence difference？(no more than 8 words)
________________________________________________________________________
5.What does the word "they" (Line 2, Paragraph 3) probably refer to？(no more than 8 words)
________________________________________________________________________
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中由两项为多余选项。
The MississippiThe Mississippi is a great river whose relationship with man goes way back beyond its discovery in the 16th century．The River Indians used it as a highway and as a source of food, and it was they who gave it its name－“misi”meaning“great”and“sipi”meaning“water”．When the length of its branch, the Missouri, is added to it, the Mississippi becomes greater． 1 ．From the source of the Missouri to the tip of the delta(三角洲), it is 2, 480 miles long．
Great rivers are likely to suffer floods．In 1927 the Mississippi flooded 26 thousand acres, sweeping away farms, towns, everything in its path．In 1938 its floods drowned or killed 200 people and made millions homeless．Today the river has largely been controlled． 2 ．
Industries have spread down some of the waterways of the delta, but otherwise the delta is a remote place, the homeland of a little colony of French Canadians that the British drove out of Nova Scotia in the 18th century．They still speak French, mixed with English, Indian, Spanish and Negro idioms．They keep to themselves, farming the rich soil of the delta． 3 ．
4 ．Pioneers who first reached its banks wondered not only where it went, but what lay beyond．In 1764 the French founded a city on the right bank of the river, and named it after their king, Louis XV．This city, named St．Louis, became the jumping-off(起点)place for the adventurous men and women who opened up the Great Plains, and the way to the Far West．
Some 40 years earlier, at the beginning of the 18th century, the French had founded another city just above the Mississippi delta, New Orleans． 5 ．New Orleans is one of the great ports of the world, and one of the greatest terminals for both sea and river traffic．
A．It was the Mississippi that made the city what it is
B．Levees, high banks built of earth, hold back the flood waters
C．Therefore, as we know, it's the third longest river in the world
D．It is known that the“Great Water”has also been a frontier river
E．However, they paddled up and down the Mississippi in their boats to seek their fortune
F．The“Great Water”always remains a threat, for the streets of the city are below the level of the river
G．They call themselves Cajuns, who have actually been leading fairly primitive lives and preserving their own traditions
阅读填空
[1]Global difference in intelligence is a sensitive topic, long filled with a large number of different opinions. But recent data has indeed shown cognitive (认知的) ability to be higher in some countries than in others. What's more, IQ scores have risen as nations develop—a phenomenon known as the "Flynn effect". Many causes have been put forward for both the intelligence difference and the Flynn effect, including education, income, and even non-agricultural labor. Now, a new study from researchers at the University of New Mexico offers another interesting theory: intelligence may be linked to infectious-disease rates.
[2]The brain, say author Christopher Eppig and his colleagues, is the "most costly organ in the human body". Brainpower consumes almost up to 90 percent of a newborn's energy. It's clear that if something affects energy intake while the brain is growing, the impact could be long and serious. And for vast parts of the globe, the biggest threat to a child's body—and therefore brain—is parasitic (由寄生虫引起的) infection. These illnesses threaten brain development________________. They can directly attack live tissue, which the body must then try every means to replace. They can invade the digestive pipe and block nutritional intake. They can rob the body's cells for their own reproduction. And then there's the energy channeled (输送) to the immune system to fight the infection.
[3]Using data on national "disease burdens" (life years lost due to infectious diseases) and average intelligence scores, the authors found they are closely associated. The countries with the lowest average IQ scores have the highest disease burdens without exception. On the contrary, nations with low disease burdens top the IQ list.
[4]If the study holds water, it could be revolutionary for our understanding of the still-confusing variation in national intelligence scores.
1.What is the main idea of the text？(no more than 10 words)
________________________________________________________________________
2.Complete the following statement with proper words.(no more than 4 words)
Those countries that have the ________________ are always at the bottom of the IQ list.
3.Fill in the blank in Paragraph 2 with proper words.(no more than 5 words)
___________
4.What can cause intelligence difference？(no more than 8 words)
______________________________________________________________________
5.What does the word “they” (Line2, paragraph3)probably refer to? (no more than 8 words)
______________________________________________________________________
9. I am in______charge of the class which was in ______ charge of my wife.
A. 不填；the B. 不填；不填
C. the; 不填 D. the; the
选A。in charge of 的意思是“负责”、“管理”，其主语通常是人；in the charge of 的意思是“由……负责或管理”，其主语通常是物。
10. —Shall I sit at this end of the boat or the other end?
—If you keep still, you can sit at______end.
A. neither B. each C. either any
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