影像增强管输入屏的结构不包括（）
A.铝基板
B.荧光体层
C.隔离层
D.光电面
E.屏蔽层
参考答案：E
调制糖浆面团时要注意哪些问题？
A group of 7 fishermen chartered a boat for a day to fish for flounder. The boat costs x dollars per day to rent. If the group can find 3 more fishermen on the docks who are willing to come aboard and share the rental costs, how much less will the rental cost be per person in terms of x ？（）
A. x/70
B. x/35
C. 3x/70
D. 3x/10
E. 3x/7
