[填空题]Why is the price of the air conditioner competitive
Because it is ______ than that of similar products in the market.

[填空题]Why is the price of the air conditioner competitive
Because it is ______ than that of similar products in the market.

[单项选择]
Why must air be pumped into the plane
A. The plane can’t fly without air.
B. The plane needs air for its refueling.
C. It meets the passengers’ needs.
D. It meets the pilots’ needs.

[简答题]Write a letter of complaint. The air - conditioner of the room in the hotel you are living in doesn’t work properly., You called the room service department several times, but nobody was sent to check it. Write a letter to the manager of the hotel to complain about it and ask for immediate action from the hotel. You should write approximately 100 words. Do not sign your own name at the end of your letter. Use "Wang Ning" instead. You do not need to write the address.

[单项选择]— Can we please get a new air conditioner for our bedroom
— ______
— Can’t you see that it’s not working fight
A. Do you have to repair it
B. It is not very hot in this season.
C. I also think we should buy a new one.
D. What’s wrong with the one we have now

[简答题]This new type of air-conditioner is so energy-efficient that is can save the company forty thousand dollars a year.
A．这种新型空调功率很高，公司电费一年高达四万美元。
B．这种新型空调高效节能，一年能为公司节省四万美元。
C．这种新型空调效率很高，公司一年节省了电费四万美元。
D．这种新型空调效率很高，公司一年仅需支付电费四万美元。

[单项选择]This new type of air-conditioner is so engery-efficient that it can save the company forty thousand dollars a year.（）
A. 这种新型空调功率很高，公司电费一年高达四万美元。
B. 这种新型空调高效节能，一年能为公司节省四万美元。
C. 这种新型空调效率很高，公司一年节省了电费四万美元。
D. 这种新型空调效率很高，公司一年仅需支付电费四万美元。

[单项选择]

[听力原文]
M: The air conditioner in my room is broken and I can’t work.
W: Why not go to the office

What does the woman mean（）
A. The man can sleep in the office.
B. She can have someone to repair the air conditioner.
C. She can work without air conditioner.
D. The man can do his work in the office.

[简答题]一男一女讨论租房 1-10填空题： window air conditioner

[简答题]It is suggested that the air conditioner __________________ (要安装在窗户旁).

[单项选择]Mr Chen complained about the（）air-conditioner he bought from the company.
A. inefficient
B. defective
C. ineffective
D. deficient

[填空题]Why does the author dislike traveling by air Because it is ______.

[单项选择]Why has the woman never traveled by air（）
A. Because traveling by air costs too much money.
B. Because traveling by air is uncomfortable.
C. She thinks traveling by air is very dangerous.
D. She is too old to travel by air.

[单项选择]
Why is there rapid growth in global air travel in the UK A. Ticket prices have been falling and their incomes rising. B. Aviation fuel is becoming less expensive. C. British people prefer to travel by plane.

[单项选择]Cost as a Factor in Supply In a purely competitive market, the supplier of goods and services has no control over the market price, because he produces too little to influence market conditions. With no difference between his products and the products________(51) his competitors, he will sell nothing if he charges above the market price and he will sell all if he charges at or __________(52) the market price. However, in considering the price, he must take the ____________(53)of production into consideration. There are times when he may be willing to sell below his cost. This might happen when prices tumble for__________(54) he believes will be a short time. However, no business person can __________(55)to lose money for a prolonged period. He must be constantly __________(56)of his costs in relation to the market price if he is to competes successfully and earn a profit. Many people have the impression that as production increases, costs per unit decrease._________(57)mass productio
A. as if
B. just as
C. because
D. whil