循环作业图
参考答案:
是用来表示采煤工作面各工序在时间上和空间上的相互关系。
用括号内所给单词的适当形式填空,每空格限填一词。
1. There are many fresh _____ (potato) in the supermarket.
2. Their apartment is on the _____ (seven) floor of the building.
3. The university student came back to his hometown and became a new _____ (village).
4. _____ (lucky), Fred was not hurt in the car accident.
5. Miss Zhou is very popular in our school. She is a _____ ( success) teacher.
如果要为控件设置焦点,则下列属性值是真(.T.)的是( )。
A.Enabled和Default
B.Enabled和Visible
C.Default和Cancel
D.Visible和Default