更多"It can be a (cost) ______ and energ"的相关试题:
[判断题]laving underground can help reduce the cost of heating and lighting.
[判断题]Living underground can help reduce the cost of heating and lightening.
[单项选择]The cost C of manufacturing a certain product can be estimated by the formula C=0, 03rst2, where r and 8 are the amounts, in pounds, of the two major ingredients and t is the production time in hours. If r is increased by 50 percent, s is increased by 20 percent，and t is decreased by 30 percent, by approximately what percent will the estimated cost of manufacturing the product change ？（）
A. 40%increase
B. 12%increase
C. 4%increase
D. 12%decrease
E. 24%decrease
[简答题]No one can fully understand why the cost of living keeps increasing, but economists believe that workers and producers can make prices go up. As workers earn more money, they have more money to spend, so they demand more goods. If there is a great demand for certain goods, the price of these goods will go up.
[单项选择]
M: Can you give me some information about the cost of a trip to Los Angeles
W: I’m sorry, sir. I can’t give you that information over the phone. My assistant will be able to help you.
Where did the man want to go（ ）.
A. To New York.
B. To Los Angeles.
C. To San Francisco.
[判断题]F9门机系统中，门机和主板只能采用CAN-BUS通讯（）
[填空题]Which bus can I take
Which bus ________________________
[单项选择]Bus tickets can be （ ） in advance on the Roadways Website.
A. centered
B. resolved
C. purchased
D. summarized
[单项选择]
M: Can you tell me how much it would cost to send this package by air
W: Do you want to insure it
Where is this conversation probably taking place（）。
A. In a post office.
B. At an insurance agency.
C. On an airplane.
D. In a moving company.
[单项选择]You can minimize the cost if you ______.
A. update the materials and facilities on the date of change
B. update the materials and facilities within one year
C. update your materials and facilities beforehand
[判断题]MC2控制系统的井道CAN－BUS的终端电阻只设定在线路的最末端（）
[单项选择]How can she find the bus stop[A] Walk along the street for 200 meters, then turn right.[B] Walk along the street for 200 meters, then turn left.[C] Walk along the street for 200 meters, then she can see it on the right.
[单项选择]
W: Can you tell me where the bus station is
M: Sorry, I really don’t know. You’ll have to ask someone else, or buy some bus maps.
What would the woman do then（）
A. She would ask the man to buy a bus map for her.
B. She would try to find the bus station herself.
C. She would ask someone else.
[填空题]The dress is too (cost)（）and I can’t afford it.
