问题
选择题
有些人发生晕车、晕船和晕飞机现象，与此有关的结构是
A．鼓膜和外耳道
B．中耳和前庭
C．内耳和耳蜗
D．前庭和半规管
答案
答案：D
前庭和半规管上有位觉感受器，如果感受器过于敏感，那么容易发生晕车、晕船和晕飞机现象。
搜题请搜索小程序“爱下问搜题”
有些人发生晕车、晕船和晕飞机现象，与此有关的结构是
A．鼓膜和外耳道
B．中耳和前庭
C．内耳和耳蜗
D．前庭和半规管
答案：D
前庭和半规管上有位觉感受器，如果感受器过于敏感，那么容易发生晕车、晕船和晕飞机现象。
完形填空（共15小题；每小题1分，计15分） There was a woman in Detroit, who had two sons. She was worried about them, especially（尤其） the younger one, Ben, because he was not doing well in school. Boys in his class played jokes on him because he seemed so 1 . The mother 2 that she would help her sons to do 3 in school by herself. She told them to go to the Detroit Public Library to 4 a book a week and do a book report for her. One day, in Ben’s class, the teacher held up a rock and asked 5 anyone knew it. Ben put up his hand and the teacher let him 6 . “Why did Ben raise his hand?” all of his. 7 whispered and wondered. “He 8 said anything. What could he possibly want to say?” To their surprise, Ben not only 9 the rock, but also said a lot about it. He 10 other rocks in its group and even knew 11 the teacher had found it. The teacher and the other students were 12 . Ben had learned this from doing one of his book 13 . Later Ben became the 14 student of his class. When he finished high school, he went to Yale University and 15 became one of the best doctors in the United States.
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