我国职业教育的创始人是( )。
A.晏阳初
B.梁漱溟
C.陶行知
D.黄炎培
参考答案:D
用所给单词的适当形式填空。
1. —How long ______ the students been ______ (watch) movies. —For three hours .
2. —When ______ you ______ (collect) coins? —Two days ago.
3. —______ you______ (finish) your work? —No, I haven't.
4. I'm interested in the boy's ______ (describe).
5. Do you know how ______ (take) pictures?
油罐试压充水到最高操作液位后,要保持不少于()小时。
A、8
B、24
C、48
D、72