2007年税收收入增长率约为()。
A.20.4%
B.25.7%
C.21.9%
D.31.4%
参考答案:D
解析:
×100%≈31.4%。
Though they were in danger, he urged his people_______ calm. [ ]
A. remaining
B. remain
C. to remain
D. remained
在车、铣等机械加工行业通常使用的防护眼镜是()。
A、防化学液体飞溅眼镜
B、防烟尘及有毒气体眼镜
C、防冲击眼镜
D、防弧光辐射眼镜