下列不属于唾液腺腺体分泌单位的是 ()
A.腺泡
B.闰管
C.腺管
D.纹管
E.排泄管
参考答案:C
I’m examining the article he has just finished _____ the possible mistakes in it.
A.being corrected
B.to correct
C.corrected
D.having corrected
关闭一台运行Windows98的计算机之前应先( )。
A.关闭所有已打开的程序
B.关闭Windows98
C.断开服务器连接
D.关闭主机电源