I was given three books on cooking，the f_爱下问搜题

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问题选择题

I was given three books on cooking，the first ________ I really enjoyed.

A．of that	B．of which
C．that	D．which

答案

B

解析　从句还原成完整句子应该是“I really enjoyed the first of those.”故选of which。

单项选择题

某人患有癌症，穿刺取肝组织，镜下，发现有类肺样组织结构，细胞核多形，核质比大，则该患者患有（）

A.肝癌

B.肺癌

C.肠癌

D.食管癌

E.乳腺癌

判断题

淬火一般为了增加工件的硬度和耐磨性。