4. An experimental microwave clothes dryer heats neither air nor cloth. Rather, it heats water on clothes, thereby saving electricity and protecting delicate fibers by operating at a lower temperature. Microwaves are waves that usually heat metal objects, but developers of a microwave dryer are perfecting a process that will prevent thin metal objects such as hairpins from heating up and burning clothes. Which of the following, if true, most strongly indicates that the process, when perfected, will be insufficient to make the dryer readily marketable? (A) Metal snap fasteners on clothes that are commonly put into drying machines are about the same thickness as most hairpins. (B) Many clothes that are currently placed into mechanical dryers are not placed there along with hairpins or other thin metal objects. (C) The experimental microwave dryer uses more electricity than future, improved models would be expected to use. (D) Drying clothes with the process would not cause more shrinkage than the currently used mechanical drying process causes. (E) Many clothes that are frequently machine-dried by prospective customers incorporate thick metal parts such as decorative brass studs or buttons. 这道题为何选E呢？ 既然要可以perfected到组织衣服上薄金属融化，那厚的金属（thick metal ）就更不会融化了，怎么不marketable了？
a tough one~~这道题没看见过...问一下lz是哪套题里的吗？ 我最后是在B和E当中徘徊。其实我个人是偏向B...
给你一个某国外论坛的解释： You are being told that the experimental microwave clothes dryer is superior to current ones in that it "prevents thin metal objects such as pins fron heating up and burning clothes" . Now when this technique is perfected the product will be sold.And this technique will be the USP of the product.
the option is between B and E.Remember you have to see which answer is more convincing.
Do u feel that the developers of this technique were planning on selling this new product by saying "many of you place hairpins and other thin metal objects along with your clothes so buy our product" or " many of the clothes have thin metal objects attached to them(like buttons,decorative items etc.)so buy our product"
I think the second argument is much more persuasive and naturally if these attached objects are thick in the first place the new technique will not be marketable!
我的思路是这样的：题目前面说了一大堆，我也是看得模模糊糊，但是我看的重点是最后那句话but developers of a microwave dryer are perfecting a process that will prevent thin metal objects such as hairpins from heating up and burning clothes.
我用的排除法， 说出来一起讨论，希望有帮助 4. An experimental microwave clothes dryer heats neither air nor cloth. Rather, it heats water on clothes, thereby saving electricity and protecting delicate fibers by operating at a lower temperature. Microwaves are waves that usually heat metal objects, but developers of a microwave dryer are perfecting a process that will prevent thin metal objects such as hairpins from heating up and burning clothes. Which of the following, if true, most strongly indicates that the process, when perfected, will be insufficient to make the dryer readily marketable? (A) Metal snap fasteners on clothes that are commonly put into drying machines are about the same thickness as most hairpins. (B) Many clothes that are currently placed into mechanical dryers are not placed there along with hairpins or other thin metal objects. (C) The experimental microwave dryer uses more electricity than future, improved models would be expected to use. (D) Drying clothes with the process would not cause more shrinkage than the currently used mechanical drying process causes. (E) Many clothes that are frequently machine-dried by prospective customers incorporate thick metal parts such as decorative brass studs or buttons
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发表于 2010-5-30 18:16:52
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