5.lever n. 杠,杠杆;途径,工具,手段
vt. (用杠杆)撬动,撬起
The worker is levering at the rock. 工人用杠杆移动岩石。
试题精析
1.选B。本题为主要细节正误题。第三段第一句说The first practical typewriter was patented in the United States in 1868 by Christopher Latham Sholes.,由此可知,B选项正确。
2.选D。本题为观点态度推断题。第二段最后一句That machine probably didnt sell because no one could remember its name!可推知,坐着认为机器可能卖不出去是因为它的名字太长了,没有人能记住。
3.选C。本题为观点态度推断题。从第四段his ABC key arrangement caused the keys to jam when the typist worked quickly. 可知,肖尔斯决定QWERTY这种排列是为了解决ABC键这种排列所引起的键堵塞问题。
4.选C。本题为主要细节正误题。从第四段中的his solution was to keep the typist from typing too fast.和The only efficiency it added was to slow the typist down可知,QWERTY排列只能让打字员的打字速度慢下来,C选项与其意思一致。
5.选A。本题为主旨归纳题。第一段的Who decided on this arrangement of the letters? And why?是全文的主旨句,文章后面的内容都是围绕这两个问题展开的。
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