问题 选择题

调查是科学探究常用的方法之一,下列对调查方法的叙述错误的是(  )

A.调查时首先要明确调查的目的和对象

B.调查时要凭个人感觉记录

C.要制订合理的调查方案

D.对调查结果要认真整理分析,有时还需要进行数学统计

答案

调查法的步骤:一、明确调查问题,确定调查范围及对象;二、选择调查方式 不同的调查课题应采用不同的调查方式.调查法包括抽样调查和全面调查,选择普查还是抽样调查要根据所要考查的对象的特征灵活选用,一般来说,对于具有破坏性的调查、无法进行普查、普查的意义或价值不大时,应选择抽样调查,对于精确度要求高的调查,事关重大的调查往往选用普查.三、制定调查提纲及项目.四、实施调查.调查时要如实全面的记录,不能凭个人感觉记录,五、调查材料及数据的处理.对调查结果要认真整理分析,有时还需要进行数学统计.六、撰写调查报告.

故选B.

单项选择题 共用题干题
单项选择题

An eight-year-old child heard her parents talking about her little brother. All she knew was that he was very sick and they had no money left. When she heard her daddy say to her (1) mother," (2) a miracle can save him now", the little girl went to her bedroom and took out her piggy bank. She (3) all the change out on the floor and counted it carefully. Then she (4) her way six blocks to the drugstore.

"And what do you want" asked the shopkeeper. "It’s (5) my little brother," the girl answered back. "He’s really, really sick and I want to buy a (6) . His name is Andrew and he has something (7) growing inside his head and my daddy says only a miracle can save him. " "We don’t (8) miracles here, child. I’m sorry." the chemist said, smiling (9) at the little girl.

In the shop was a (10) customer. He stooped down and asked the little girl, "What kind of miracle does your brother (11) " "I don’t know," she replied. "He’s really sick and mommy says he needs (12) . But my daddy can’t pay for it, so I have brought my (13) .""How much do you have" asked the man. "One dollar and eleven cents, (14) I can try and get some more," she answered quietly. "Well, what a coincidence," smiled the man. "A dollar and eleven cents—the (15) price of a miracle for little brothers. (16) me to where you live. I want to see your brother and (17) your parents. "

That well-dressed man was Dr Carlton Armp, a doctor. The operation was completed without any (18) and it wasn’t long before Andrew was (19) again. The little girl was happy. She knew exactly how much the miracle cost—one dollar and eleven cents—also the (20) of a little child.

8()

A.create

B.offer

C.sell

D.store