木线脚的一般表现形式主要有( )和曲线状两种。
A.凹进状
B.直线状
C.平面状
D.斜线状
参考答案:B
下列属于光的直线传播形所成的现象是( )
A.我们能看到本身并不发光的物体
B.日食和月食
C.通过湖面看到岸上树的倒影
D.沙漠中出现海市蜃楼
______who are interested in the job please get in touch with us as soon as possible by telephone or e - mail.
A.Those
B.Anyone
C.These
D.No matter