There are two rooms in her_____.A. famil_爱下问搜题

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问题选择题

There are two rooms in her _____.

A. family
B. home
C. house
D. room

答案

答案：C

单项选择题

按ZBJ04005-87标准，对分散状缺陷显示迹痕的等级分类按（）个等级分类

A、3

B、5

C、7

D、10

问答题简答题

减少吹损得主要途径？