[填空题]If we (know)（）that the books were available, we would have bought them yesterday.

[填空题]If we (know)（）that the books were available, we would have bought them yesterday.

[填空题]If we (know)______ that the books were available, we would have bought them yesterday.

[填空题]No more messages were heard so that we began to worry if George was dead．

[单项选择]

We know that we have to pay for what we get. If we buy food, we know there will be a bill to pay. These are private bills. But there are also public bills that must be paid. Public bills are paid by the government. In turn, we get these services through taxes. What would happen if everyone in the city stopped paying taxes The water supply would stop; water might become unclean and impure. The streets might not be cleaned. There would be no police force to protect people and property. Schools would be closed. People would become sick and diseases might spread. We should not want to live in such a city. We all want pure water and food, clean streets and good schools. We want the police to prevent crime. The chief duty for every government is to protect persons and property. More than three quarters of the money spent by our government is used for this purpose. The next largest amount of public money goes to teach and train our citizens. Billions of dollars each year are spent on sc
A. By taxing public services.
B. By providing needed services.
C. By making people pay for private bills.
D. By collecting taxes.

[单项选择]

We know the couple were reluctant to have their daughter marry him（）

A. eager
B. unwilling
C. pleased
D. disappointed

[单项选择]From the conversation we know if we buy more products from the Universal Computers Ltd., ______.
A. we can earn more mone
B. we can benefit more
C. they will give us more service
D. they will move their main building to China

[简答题]We all know that we should take better care of ourselves, relax more, and have more fun at work (and elsewhere, as well) , but it’s easy to overlook the opportunities to do just that be cause of the daily work priorities that consume our lives. Here are some ideas for learning to take action in your work life.

[填空题]We know that we are getting even older，and that the______(near)a society approximates to zero population growth，the older its population is likely to be.

[单项选择]We were shocked to find that Mary didn’t know her guest’s name.
A. frustrated
B. disturbed
C. relieved
D. surprised

[单项选择]

[听力原文]8-10
W: Excuse me; do you know how this works
M: Yes. Put the washing inside.., shut the door... the money goes in here. Then when the machine starts you have to put the soap powder in through here.
W: Is that all
M: Yes.
W: But is there anything I should do when it works
M: You don’ t have to do anything else until the machine stops.
W: Thank you so much.

What can we learn from this conversation（）
A. The woman is willing to do the washing for the man.
B. The man wants the woman to do the washing for him.
C. The woman knows little about the machine.
D. The man knows nothing about the machine.

[单项选择]

[听力原文]8-10
W: Excuse me. Do you know how this works
M: Yes. Put the washing inside.., shut the door.., the money goes in here. Then when the machine starts you have to put the soap powder in through here.
W: Is that all
M: Yes.
W: But is there anything I should do when it works
M: You don’t have to do anything else until the machine stops.
W: Thank you so much.

What else should the man do when the machine works （）
A. Shut the door.
B. Put in the soap powder.
C. Pay money.
D. None of the abov