M:How do you feel about flying
W:I don’t mind flying.What ] don’t like is not being able to keep an eye on my luggage.Whenever the man at the airport takes my luggage, I never expect to see it again.
M:There’s always a chance it will fly to Paris while you fly to Rome. Has anything like that ever happened to you
W:No, but it has happened to other people. Just the other day I heard about a woman who lost her suitcase. It was a true story She was taking one of those five-day tours around Europe.
M:Where did her suitcase get lost
W:I don’t think she ever found out. When she arrived in Europe, her suitcase wasn’t there.She had to travel through four countries in the same clothes.
M:I suppose she bought another toothbrush, at least, Couldn’t she buy another dress
W:No. She had spent all her money on the tickets for the tour Besides, she never had time to shop. Every time they reached anothe
A. Travel troubles
B. Modern means of transportation
C. Thefts on their vacation
D. Holiday plans
The small size of the components of computer chips has proved unstoppable. In each new (1) , those components are smaller and more tightly packed than they were in their predecessor. (2) has been so rapid that chip designers are (3) apparently fundamental barriers to further reductions in size and increases in density. In a small size version of the (4) to wireless communication in the macroscopic world, a group of researchers led by Alain Nogaret, think they can make chips (5) components talk to each other wirelessly.
The researchers (6) to use the standard print techniques employed in chipmaking to coat a semiconductor with tiny magnets. These magnets will (7) local magnetic fields that point in opposite directions at different points (8) the chip’s surface. Electrons have a (9) called spin--that is affected by magnetic fields, and the team hopes to use a/an (10) called inverse electron
A. in
B. on
C. under
D. behind
项 目 | 现行收账政策 | 甲方案 | 乙方案 |
年赊销额(万元/年) | 4800 | 5200 | 5400 |
信用条件 | N/60 | N/90 | 2/60.N/180 |
收账费用(万元/年) | 80 | 40 | 20 |
所有账户的平均收账期 | 60天 | 180天 | 预计有50%的客户会享受现金折扣 |
所有账户的坏账损失率 | 2% | 2.5% | 3% |
变动成本率 | 80% | 80% | 80% |
应收账款投资的最低报酬率 | 15% | 15% | 15% |
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