流体的绝对温度等于摄氏温度()273。
A、减去
B、除以
C、乘以
D、加上
参考答案:D
School is over. We must go ________ now. [ ]
A. to class
B. home
C. to bed
D. to classroom
下列可由“N*.DOC”搜索出来的文件名是( )。
A.DOC
B.N1.DOC
C.NN.DOC
D.N123.DOC