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系统分析阶段的主要工作步骤有：详细调查、业务流程分析、（）流程分析和编写系统分析说明书。
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套筒滚子链中组成的零件间为过盈配合的是（）
（A）Here is your best chance to travel around the UK in 2012: More than 200 B&Bs (bed & breakfast) across England, Scotland, Wales and Northern Ireland are selected to offer you amazing services for your stay at their lowest prices! Don’t miss it. Just collect the vouchers (活动券) in ourB&B Daily printed from 01/04/2012 to 07/04/2012 and book the stays for your travel following the terms and conditions below:●The offer includes a room for the night and a breakfast the next morning.●The offer is of two kinds:￡20 per room, per night, valid (有效的) during stay period of 02/04/2012—31/05/2012 and then again 01/09/2012—31/10/2012；￡35 per room, per night, valid during stay period of 01/06/2012—31/08/2012.●The offer is valid for a basic twin or double room only.●The stay must be booked directly with the chosen B&Bs before 28/04/2012.●Each voucher can only be used by the holder to book one room for one night.●If voucher holders book either the ￡20 or ￡35 per room per night, any additional services such as lunch, evening meal or activities may require an extra charge. But these are not required in order to takeup the offer. Please check directly with your chosen B&Bs to see what extra services are available.●Vouchers must be presented on arrival. If no vouchers are presented, the B&Bs may reserve (保留) the right to charge at full price for every night of stay.●Vouchers may not be used together with any other offer.●The voucher holders must pay for the stay in full at the time of booking. Additional ￡10 may be paid to confirm (确认) the booking and will be returned on arrival.●The B&Bs reserve the right to refuse voucher holders’ bookings for people under the age of 18. The voucher can be used for a stay at the chosen B&B on （）.
在V带传动中，选取带轮的最小直径Dmin的依据是（）
What is intelligence (智力) anyway? When I was in the army I （31） an intelligence test that all soldiers took, and, against （32） of 100, scored 160.I had an auto-repair man once, who, on these intelligence tests, could not possibly have scored more than 80. （33） , when anything went wrong with my car I hurried to him, and he always （34） it.Well, then, suppose my auto-repair man designed questions for some intelligence tests. By every one of them I'd prove myself a （35） . In a world where I have to work with my （36）, I’d do poorly.Consider my auto-repair man again. He had a habit of telling jokes. One time he said, “Doc, a deaf-and-dumb (聋哑) man needed some nails. Having entered a store, he put two fingers together on the counter and made （37） movements with the other hand. The clerk brought him a hammer. He shook his head and pointed to the two fingers he was hammering. The clerk brought him some nails. He picked out the right size and left. Well, Doc, the next man who came in was blind. He wanted scissors (剪刀). （38） do you suppose he asked for them?” I lifted my right hand and made scissoring movements with my first two fingers. He burst out laughing and said, “Why, you fool, he used his （39） and asked for them. I’ve been trying that on all my customers today, but I knew for sure I’d catch you.” “Why is that?” I asked. “Because you are so goddamned educated, Doc. I knew you couldn’t be very （40） .”And I have an uneasy feeling he had something there. 37（）
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