4.It is inferred that the QWERTY arrangement of the keyboard_____.

　　A.is the most scientific arrangement

　　B.adds speed and efficiency of typists

　　C.keeps the typist from typing too fast

　　D.is easy for typists to memorize

　　5.Which of the following can be the best title of the passage?

　　A.The Arrangement of The Letters on Keyboard

　　B.The Story of Christopher Latham Sholes

　　C.How to Invent The Typewriter

　　D.The First Practical Typewriter

　　文章精要

　　說明文。本文主要介紹了鍵盤上QWERTY這種字母排列順序的來由。

　　斟詞酌句

　　1.patent n. 專利，專利權

　　adj. (有關)專利(權)的，受專利保護的

　　vt. 得到……的專利權

　　*The government patented the device to its inventor. 政府給予發明者專利權。

　　2.transcribe vt. 轉錄;抄寫;改編，改寫

　　*He transcribed the poem written by Edgar Allan Poe last night. 他昨晚抄下了埃德加·愛倫·坡的詩。

　　3.whereby adv. 靠那個，借以

　　*The law whereby all children receive free education has been passed by the Congress. 國會通過了使用所有兒童享受免費教育的法律。

　　4.whatsoever adv. (用于否定句中以加強語氣)任何

　　*I have no money whatsoever. 我一點兒錢都沒有。

　　5.lever n. 杠，杠桿;途徑，工具，手段

　　vt. (用杠桿)撬動，撬起

　　*The worker is levering at the rock. 工人用杠桿移動巖石。