单项选择题

Steel is an alloy composed （） of iron and carbon.

A．primarily
B．traditionally
C．carefully
D．partially

<上一题 目录 下一题>
热门 试题

单项选择题
By the time he arrives in Beijing, we （） here for two days.

A．have been staying
B．have stayed
C．shall stay
D．will have stayed
单项选择题
A baby might show fear of an unfamihar adult, he is likely to smile and reach out to another in- fant.（）

A．if
B．whenever
C．so that
D．whereas
相关试题