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  3. Design of all the new tools and implements is based on careful experiments with electronic instruments. First, a human "guinea p

Design of all the new tools and implements is based on careful experiments with electronic instruments. First, a human "guinea p

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问题       Design of all the new tools and implements is based on careful experiments with electronic instruments. First, a human "guinea pig" is tested using a 【C1】______  tool. Measurements are taken 【C2】______ the amount of work done, and the buildup of heat in the body. 【C3】______ joints and stretched muscles cannot 【C4】______ as well, it has been found, 【C5】______ joints and muscles in their 【C6】______  positions. The same person is then tested again, using a tool designed according to the suggestions made by Dr. Tichauer. All these tests have shown the great 【C7】______ of the new designs over the old.
     One of the electronic instruments used by Dr. Tichauer, the myograph, 【C8】______ visible through electrical signals the work done by human muscle. Another machine 【C9】______ any dangerous features of tools, thus proving information upon 【C10】______ to base a new design. One 【C11】______ of tests made with this machine is that a tripod stepladder is more 【C12】______ and safer to use than one with four legs.
     This work has 【C13】______ the attention of efficiency experts and time-and-motion-study engineer, but its value goes far 【C14】______ that. Dr. Tichauer’s first 【C15】______ is for the health of the tool user. With the 【C16】______ use of the same tool all day long on 【C17】______ lines and in other jobs, even light 【C18】______ work can put a heavy stress on one small area of the body. In time, such stress can cause a disabling disease. 【C19】______ , muscle fatigue is a serious safety 【C20】______ .  
【C8】
选项 A、causes
B、makes
C、results
D、imposes
答案B
解析 词义辨析题之近义词。cause意为“导致”，make意为“使得”，result意为“结果是”， impose意为“强加”。四个选项中除了impose含义不合适外，其他三个都行。但是从词法来看，空格后是复合宾语，而cause后面直接跟宾语，result是不及物动词，要使用固定搭配 result in。只有make的后面可以使用复合宾语，是正确答案。
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