在表示光洁度符号中所表示的含义是()。
A、该面的平行度;
B、该面的加工方法;
C、该面的光洁度;
D、该面的平面度。
参考答案:B
The graduate committee must be in full accord in their approval of a dissertation.
A.indecisive
B.sullen
C.vocal
D.unanimous
As many as five courses are provided, and you are free to choose_______ suits you best.
A.whatever
B.whichever
C.whenever
D.wherever