万级的数位有万、十万、百万、千万．______．
由分析可知，万级的数位有万位，十万位，百万位，千万位；而万、十万、百万、千万是计数单位．
故答案为：错误．
—What should we pay more attention to if we go north in winter, Mum?
—Nothing much. Take warm clothes________ the weather is cold.
A．as long as
B．now that
C．if
D．in case
Neither the cup nor the glass ______ made ______ plastic, but they are used for ______. [ ]
A. is; from; drinking
B. is; of; drinking
C. are; from; drinking
D. are; of; to drink
