第17题: [单项选择]How did Dorothea Dix first realize the mistreatment of insane people A. Her grandmother treated the mistreatment of insane people. B. She worked in an insane hospital as a young woman. C. She taught Sunday school in a prison. D. She was asked to investigate the problem. 参考答案:C 答案解析:[解析] 根据第四段第二句话“在这里她偶遇精神病人被和犯人关在一起”,可知本题答案为C。
第18题: [单项选择]实验组间互为对照是 A. 空白对照 B. 实验对照 C. 标准对照 D. 自身对照 E. 相互对照 参考答案:E
第34题: [单项选择]在Sheet1的C1单元格中输入公式“=Sheet2!A1+B1”,则表示将Sheet2中A1单元格数据与() A. Sheet1中B1单元的数据相加,结果放在Sheet1中C1单元格中 B. Sheet1中B1单元的数据相加,结果放在Sheet2中C1单元格中 C. Sheet2中B1单元的数据相加,结果放在Sheet1中C1单元格中 D. Sheet2中B1单元的数据相加,结果放在Sheet2中C1单元格中 参考答案:A