2013年12月四六级新型阅读之选词填空汇总2013年12月四六级新型阅读之选词填空汇总.doc

Directions: In this section, there is apassage with ten blanks. You are required to select one word for each blankfrom a list of choices given in a word bank following the passage. Read thepassage through carefully before making your choices. Each choice in the bankis identified by a letter. Please mark the corresponding letter for each itemon Answer Sheet 2 with a single line through the centre. You may not use any ofthe words in the bank more than once. 　　A novel way of making computer memories, using bacteria　FOR half a century, the (1) __________of progress in the computer industry has been to do more with less. 　　Moores law famously observes that the number of transistors which can be crammed into a given space (2)__________ every 18 months. 　　The amount of data that can be stored has grown at a similar rate. 　　Yet as (3)__________ get smaller, making them gets harder and more expensive. 　　On May 10th Paul Otellini, the boss of Intel, a big American chipmaker, put the price of a new chip factory at around $10 billion. 　　Happily for those that lack Intels resources, there may be a cheaper option—namely to mimic Mother Nature, 　　who has been building tiny (4)__________, in the form of living cells and their components, for billions of years, and has thus got rather good at it. 　　A paper published in Small, a nanotechnology journal , sets out the latest example of the (5)__________. 　　In it, a group of researchers led by Sarah Staniland at the University of Leeds, in Britain, describe using naturally occurring proteins to make arrays of tiny magnets, 　　similar to those employed to store information in disk drives. 　　The researchers took their (6)__________ from Magnetospirillum magneticum, a bacterium that is sensitive to the Earths magnetic field thanks to the presence within its cells of flecks of magnetite, a form of iron oxide. 　　Previous work has isolated the protein that makes these miniature compasses. Using genetic engineering, the team managed to persuade