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问题 单项选择题

有关地球形状的说法，正确的是（）

A．正球体

B．两极略鼓，赤道略扁的球体

C．正方体

D．两极略扁，赤道略鼓的不规则的球体

答案

参考答案：D

解析：

分析：现在人们对地球的形状已有了一个明确的认识：地球并不是一个正球体，而是一个两极稍扁，赤道略鼓的不规则球体．

解答：地球并不是一个正球体，而是一个两极稍扁，赤道略鼓的不规则球体．

故选：D．

点评：本题考查地球的形状，属于基础题．

单项选择题

取印模后，印模材料与托盘分离，使模型变形，造成这种情况的原因不可能是

A．取模之前印模材料已经接近凝固

B．托盘上有水或者其他液体

C．临床取模时移位

D．取模时用力过大导致脱模

E．取印模后没有及时灌注
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单项选择题

Culture is activity of thought, and receptiveness to beauty and human feeling. (1) of information have nothing to do with it. A merely well-informed man is the most useless (2) on God’s earth. What we should (3) at producing is men who (4) both culture and expert knowledge in some special direction. Their expert knowledge will give them the ground to start (5) , and their culture will lead them as (6) as philosophy and as high as (7) We have to remember that the valuable (8) development is self-development, and that it (9) takes place between the ages of sixteen and thirty. As to training, the most important part is given by mothers before the age of twelve.

In training a child to activity of thought, above all things we must (10) of what I will call "inert ideas"—— that is to say, ideas that are merely (11) into the mind without being (12) , or tested, or thrown into fresh combinations.

In the history of education, the most (13) phenomenon is that schools of learning, which at one epoch are alive with a craze for genius, in a (14) generation exhibit merely pedantry and routine. The reason is that they are overlade with inert ideas. Except at (15) intervals of intellectual motivation, education in the past has been radically (16) with inert ideas. That is the reason why (17) clever women, who have seen much of the world, are in middle life so much the most cultured part of the community. They have been saved from this horrible (18) of inert ideas. Every intellectual revolution which has ever stirred humanity (19) greatness has been a (20) protest against inert ideas.

10（）

A.beware

B.dispose

C.ensure

D.boast
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