After studying in a medical college for five years, Jane her job as a doctor in the countryside. A. set out B. took over C. took up D. set up 答案:C 解析: 句意:简在医学院学了五年后,在乡村从事医生工作。A项“出发,开始”;B项“接收,接管”;C项“拿起,开始从事”;D项“设立,竖立”。
三维柱形图中,主、副对角线上两个柱形高度的________相差越大,要推断的论述成立的可能性就越大.
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A.乘积
B.和
C.差
D.商