热门试卷

西方中央银行常用的货币政策工具是( )。

A．公开市场业务
B．贴现率政策
C．准备率
D．选择性信用管制

The private postal services of the nineteenth century claimed that they could do which of the following better than the government


A．Deliver a higher volume of mail.
B．Deliver mail more cheaply.
C．Deliver mail faster.
D．Deliver mail to rural areas.

In mixing concrete, one of the desires the amateur must resist is to ______.


A．break off a corner to see if the "green" has gone
B．leave the form on too long
C．strip off the forms a day after the concrete has properly hardened
D．use too much water

By the concrete being too "green", the author means that the concrete has


A．become cracked.
B．not yet cured.
C．not dried out.
D．not settled in plac

To drive his point home, the author ______.


A．gives a lot examples of the adversity
B．uses an inductive approach
C．describes the favorable conditions in detail
D．explains everything in a persuasive manner

A human quality apparently not essential in someone who works with concrete is ______.


A．carefulness
B．patience
C．self-control
D．inventiveness

What does the passage mainly discuss


A．The increase of private mail service.
B．A comparison of urban and rural postal services.
C．The development of government postal system.
D．The history of postage stamps.

The flowers in the vase ______ because they had no water.

A．ripened
B．withered
C．decreased
D．shriveled

The best title for this selection would be______.


A．Concrete and Its Uses
B．Rules for Working with Concrete
C．Concrete, the Homeowner's Joy
D．Concrete, a Test of Character