This argument sounds reasonable, but （） it’s incorrect.

单项选择题So far the construction of the two new bridges over the river （）.

A.have  been  completed
B.has  been  completed
C.has  completed
D.have  completed

单项选择题“The house （） go to the daughter, not the son, according to the will of the father.” declared the judge.

A.may
B.should
C.must
D.shall

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

A.improve
B.increase
C.progress
D.occur

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%

单项选择题下列可以用机会成本概念来解释的是：（）。

A.你坐在这个考场的同时意味着你将失去另一场考试的机会
B.参加了强化培训并购买了很多“密押题”上了考场才发现原来是一场梦
C.笔试成绩不高但还有机会在面试中成功“逆袭”
D.都不正确

单项选择题假定规模报酬不变，在单位时间里增加了20%的劳动使用量，但保持资金量不变，则产出量将（）。

A.增加20%
B.减少20%
C.增加小于20%
D.题意含糊，无法计算