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The policeman and new mother who saved six children in the river while pregnant ______ the conference.(1分)
A
are to attend
B
is to attend
C
will to attend
D
were to attend
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试题答案：
B
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21.Special education, as its name suggests, is a specialized branch of education. Special educators teach those students who have physical, cognitive, language, learning, sensory, and/or emotional abilities that deviate from those of the general population. Special educators provide instruction specifically tailored to meet individualized needs, making education available to students who otherwise would have limited access to education. In 2001, special education in the United States was serving over five million students.
2.The Crying GameAll normal human infants cry, although they vary a great deal in how much. A mysterious and still unexplained phenomenon is that crying tends to increase in the first few weeks of life, peak in the second or third month, and then decrease. Some babies in the United States cry so much during the peak period-often in excess of three hours a day-and seem so difficult to soothe that parents come to doubt their nurturing skills or begin to fear that their offspring (子孙后代) is suffering from a painful disease. Some mothers discontinue nursing and switch to bottle-feeding because they believe their breast milk is insufficiently nutritious and that their infants are always hungry. In extreme cases, the crying may provoke physical abuse, sometimes even precipitating (使发生) the infant's death.A look at another culture, the Kung San hunter-gatherers of southern Africa, provides us with an opportunity to see whether care-giving strategies have any effect on infant crying. Both the Kung San and Western infants escalate (使增强) their crying during the early weeks of life, with a similar peak at two or three months. A comparison of Dutch, American, and Kung San infants shows that the number of individual crying episodes are virtually identical. What differs is their length: Kung San infants cry about half as long as Western babies. This implies that care-giving can influence only some aspects of crying, such as duration.What is particularly striking about child-rearing among the Kung San is that infants are in constant contact with a caregiver; they are carried or held most of the time, are usually in an upright position, and are breast-fed about four times an hour for one to two minutes at a time. Furthermore, the mother almost always responds to the smallest cry or fret (烦躁) within ten seconds.I believe that crying was adaptive for our ancestors. As seen in the contemporary Kung San, crying probably elicited a quick response, and thus consisted of frequent but relatively short episodes. This pattern helped keep an adult close by to provide adequate nutrition as well as protection from predators. I have also argued that crying helped an infant forge a strong attachment with the mother and-because new pregnancies are delayed by the prolongation of frequent nursing-secure more of her care-giving resources.In the United States, where the threat of predation has receded (降低) and adequate nutrition is usually available even without breast-feeding, crying may be less adaptive. In any case, care-giving in the United States may be viewed as a cultural experiment in which the infant is relatively more separated-and separable-from the mother, both in terms of frequency of contact and actual distance.The Western strategy is advantageous when the mother's employment outside of the home and away from the baby is necessary to sustain family resources. But the trade-off seems to be an increase in the length of crying bouts. (490 words)(5分)2.1Why does Western infants' crying tend to increase in the first few weeks of life and peak in the second or third month?____(1分)A. The infants suffer from a painful disease.B. Their parents lack nurturing skill.C. The reason is still unknown. D. Their parents abuse the infants physically.
23.3 Which of the following might NOT be the question of the experiment mentioned in paragraph three?(2分)
He would like to be informed____ how she was getting along.
The thief ran away at the _______ of a policeman.(1分)
1.2The difference in time between zones is____.(1分)
Nuclear science should heDeveloped toBenefit the people____ harm them
24.2 Which of the following was NOT the permanent feature of the street the writer was walking down?____
21.4 Nowadays, the two major parties____.
22.Another thing an astronaut has to learn about is eatingin space.Food is weightless, just as men are. Food for space has to be packed in special ways.Some of it goes into tubes that a man can squeeze into his mouth.Bite-sized cookies are packed in plastic. There is a good reason for covering each bite, The plastic keeps pieces of food from traveling in the spaceship.On the earth very small pieces of food would simply fall to the floor. But gravity doesn't pull them to the floor when they are out of the plastic in a spaceship.They move here and there and can get into a man's eyes or into the spaceship's instruments.If any of the instruments is blocked, the astronauts may have trouble getting safely home. As astronauts travel on longer space trips, he must take time to sleep.An astronaut can fit himself to his seat with a kind of seat belt.Or, if he wants to, he can sleep in a sleeping bag which is fixed in place under his seat.But be careful he must put his hands under the belt when he goes to sleep.This is because he is really afraid that he might touch one of controls that isn't supposed to be touched until later.22.1 Why would astronauts cover each bite of food in space?A.Because small pieces of food would fall down to the floorB.Because weightless pieces of food might make trouble when they travel aroundC.Because they haven't enough food for longer tripsD.Because astronauts don't want to waste food
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