With everything arranged properly, the project is surely to （） smoothly as planned, step by step.

单项选择题Through the open window we saw on the floor the happy father lying （） his stomach, his daughter riding excitedly on his back.

A.on
B.with
C.above
D.from

单项选择题Usually the teachers will be busy （） the test papers after an examination.

A.grading
B.naming
C.ranking
D.grouping

单项选择题The problem, according to the experts, is （） we should do with the salty land.

A.what
B.whether
C.how
D.that

单项选择题As we all know, the government is now making every （） to set up a harmonious society.

A.effort
B.effect
C.measure
D.performance

单项选择题同样多的货币在某地区今年比去年少购买10.71%的商品，则该地区此商品的零售价格相比去年上升（）。

A.0.71%
B.12%
C.6.63%
D.13.64%