下列各组词语中加点字的字音、字形，全都有错误的一组是（ ）
A．哺育（pǔ）箴默（jiān）泊位（bó）载歌载舞（zài）
B．弹劾（hé）攒击（cuán）庇护（pì）孺子可教（rú）
C．玷污（diàn）荷枪（hè）拓本（tuò）病入膏肓（huāng）
D．窠臼（kē） 通缉（jí） 静谧（mì）甘之如饴（yí）
答案：A
A bǔ缄,B tà D jī
"Efficiency is the by-product of comfort," says Dr. Erwin Tichauer of New York University. To prove this____, Dr. Tichauer uses his capability to find_____ways to do things. _____, he felt that the traditional kind of pliers(钳子）______a better design. The usual____limited hand movement and used unnecessary force because it bent the_____. So he designed a pair of pliers to allow the wrist to remain in a comfortable position. To improve the design of______and then make work easier, Dr. Tichauer____the old tools. He asks such questions as: why ____a stepladder have four legs____three are more stable? Why dose a screwdriver (螺丝刀) have to be made with straight handles? After testing his____, he has invented a new tool that causes less muscle injury and is more efficient. Tichauer is not interested in getting ____ from his inventions. In fact, he says, "We _____ people to steal from us. At New York University, we do not patent(注册专利）knowledge or invention."__ __companies have adopted some of his inventions. As a biochemist, as well as inventor, Dr Techauer____the effect of stress on areas of the body. Even easy______work may put heavy stress on small areas of body and____causes a serious disease. Thus his studies of workers in factories who use the____tool all day long are extremely____in learning about the damage on human body? Dr. Techauer knows that he can not redesign the ____ so he redesigns the tool!
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