The smile on my teacher's face showed th

题型:选择题

问题:

The smile on my teacher's face showed that she was             with me. [ ]

A. sad

B. pleased

C. worried

D. angry

考点:形容词
题型:选择题

按建筑物的层数分类,()层为中高层建筑。

A.1~3

B.4~6

C.7~9

D.10层以上

题型:选择题

In general, the ancient Romans were a practical people.

A.realistic

B.well-practiced

C.sophisticated

D.romantic

题型:选择题

蔗糖水试验正常的是()。

A.缺铁性贫血

B.轻型地中海贫血

C.再生障碍性贫血

D.阵发性血红蛋白尿

E.溶血性贫血

题型:选择题

电除尘的高压电源部分采用可控硅控制,有什么特点?

题型:选择题

()主要用于连接。

A.三角形螺纹

B.梯形螺纹

C.圆形螺纹

D.矩形螺纹

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