可报考国家公务员的人员年龄为( )。
A.22岁以下 B.30岁以下C.35岁以下 D.30岁以上40岁以下
参考答案:C
As we are _____ Table Cloth, we should be pleased if you would send us your best quotations.
A.in the market forB.on the market forC.entering the market for D.at the market for
牙轮钻头根据凿岩刃具不同,可分为()钻头和镶齿钻头两类。