【判断题】外部不经济的经济活动其私人成本大于社会成本。
【单选题】以下关于闸机的布置原则正确的是?
C.
闸机应当分散分布在站厅各个位置,便于各处的乘客进出站
【判断题】刀盘脱困时,允许使用松推进油缸的方式进行刀盘脱困
【判断题】A1单元格为850728,在B1单元格中输入=right(A1,3)返回的结果是28。
【单选题】We may infer that during the summer holidays______.
A.
few students will stay in the university
B.
no breakfast will be served on weekends
C.
the student newspaper will sell more copies
D.
there will be a concert or a film each Wednesday
【单选题】What will the man most probably do next?
A.
Fill out an application.
B.
Go back to the university to get his I
D.
Take a written exam and an eye exam.
【单选题】What will the man must probably do next?
A.
Fill out an application.
B.
Go back to the university to get his ID
D.
Take a written exam and an eye exam.