问题
单项选择题
指出下列关于发育的百分位数法描述中,哪项是错误的
A.在大数量调查基础上计算各指标的百分位数
B.可用百分位数划分发育等级
C.可制成某指标的百分位数图
D.在百分位数图上能观察出儿童发育的变动
E.能看出身体发育的匀称程度
答案
参考答案:E
指出下列关于发育的百分位数法描述中,哪项是错误的
A.在大数量调查基础上计算各指标的百分位数
B.可用百分位数划分发育等级
C.可制成某指标的百分位数图
D.在百分位数图上能观察出儿童发育的变动
E.能看出身体发育的匀称程度
参考答案:E
完形填空。 | ||||
Long ago, in a small village of Wakefield lived two farmers, Harry and Peter. Harry was very hard-working while Peter was l . Every day Harry got up early and came home late, but Peter walked around for fun. One summer, there was no 2 and the crops (庄稼) were dying. Harry thought, "I must do something to save these crops, or they shall die. " With this 3_ in mind, he went out to find a river so that he could dig a canal (沟渠) to his field. He walked on and on, feeling tired and thirsty. After a 4 search, he found a river full of blue water. He was very happy. He started digging a canal to his field. 5_ it was noon, his wife sent their daughter to bring Harry home 6 lunch. But Harry did not go. He did not want to leave his work unfinished. He completed his work 7_ at night. He was very satisfied. He went home, had a good meal and _8 into a sound sleep. Peter did the same. But he was not at all determined (有决心的). He also 9 digging a canal to his field but he didn't have his work completed. His field did not get 10 water and all his crops died. Harry's field would be watered when needed. He had a good harvest because of his hard work. | ||||
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