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问题 单项选择题 A3型题

正常人的平均脉搏为72次／分，测定其中100人，平均为78次／分，标准差为5次／分。问这100人的平均脉搏与正常人是否相同

以上这种误差称为（）

A.系统误差

B.测量误差

C.随机误差

D.抽样误差

E.混杂误差

答案

参考答案：D

填空题

From the child to old age, we all use language as a means of (36) our knowledge of ourselves and the world around us. When humans first (37) , they were like newborn children, unable to use this valuable tool. Yet once language developed, the (38) for human’s kind’s future attainment and cultural growth increased.
Many linguists believe that evolution is (39) for our ability to produce and use language. They (40) that our high evolved brain provides us with an innate language ability not found in lower organism. Proponents of this innateness theory say that our potential for language is (41) , but that language itself develops (42) , as a function of the growth of the brain during childhood. Therefore there are critical biological times for language development.
Current reviews of innateness theory are mixed, however, evidence supporting the (43) of some innate abilities is undeniable. Indeed, more and more schools are discovering that foreign languages are best taught in the lower grades. (44) .
Although some aspects of language are undeniably innate, language does not develop automatically in a vacuum. Children who have been isolated from other human beings do not possess language. (45) Some linguists believe that this is even more basic to human language acquisition than any innate capacities. These theorists view language as imitative, learned behavior. In other words, children learn language from their parents by imitating them. (46) .
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单项选择题 B型题

锥体束病变导致（）

A.保护反射

B.牵张反射

C.反射消失或减弱

D.反射增强（亢进）

E.病理反射
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