问题
单项选择题
学龄儿童与坐姿有密切关系的常见病是（）。
A．近视眼
B．脊柱弯曲异常
C．蛔虫感染
D．鼻炎
答案
参考答案：B
解析：
学龄儿童的坐姿与脊柱弯曲有密切关系。
搜题请搜索小程序“爱下问搜题”
学龄儿童与坐姿有密切关系的常见病是（）。
A．近视眼
B．脊柱弯曲异常
C．蛔虫感染
D．鼻炎
参考答案：B
解析：
学龄儿童的坐姿与脊柱弯曲有密切关系。
完形填空（共20小题，每小题1.5分，共30分） 阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。 James’s New Bicycle James shook his money box again. Nothing! He carefully __36__ the coins that lay on the bed. $24.52 was all that he had. The bicycle he wanted was at least $90! __37__ on earth was he going to get the __38__ of the money? He knew that his friends all had bicycles. It was __39__ to hang around with people when you were the only one without wheels. He thought about what he could do. There was no __40__ asking his parents, for he knew they had no money to __41__. There was only one way to get money, and that was to __42__ it. He would have to find a job. __43__ who would hire him and what could he do? He decided to ask Mr. Clay for advice, who usually had __44__ on most things. “Well, you can start right here,” said Mr. Clay. “My windows need cleaning and my car needs washing.” That was the __45__ of James’s odd-job（零工） business. For three months he worked every day after finishing his homework. He was amazed by the __46__ of jobs that people found for him to do. He took dogs and babies for walks, cleared out cupboards, and mended books. He lost count of the __47__ of cars he washed and windows he cleaned, but the __48__ increased and he knew that he would soon have __49__ for the bicycle he longed for. The day __50__ came when James counted his money and found $94.32. He __51__ no time and went down to the shop to pick up the bicycle he wanted. He rode __52__ home, looking forward to showing his new bicycle to his friends. It had been hard __53__ for the money, but James knew that he valued his bicycle far more __54__ he had bought it with his own money. He had __55__what he thought was impossible, and that was worth even more than the bicycle.
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