单选题
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{{U}} {{U}} 1 {{/U}} {{/U}}tool. Measurements
are taken{{U}} {{U}} 2 {{/U}} {{/U}}the amount of work done, and
the buildup of heat in the body.{{U}} {{U}} 3 {{/U}}
{{/U}}joints and stretched muscles cannot{{U}} {{U}} 4 {{/U}}
{{/U}}as well, it has been found,{{U}} {{U}} 5 {{/U}} {{/U}}joints
and muscles in their{{U}} {{U}} 6 {{/U}} {{/U}}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{{U}}
{{U}} 7 {{/U}} {{/U}}of the new designs over the old.
One of the electronic instruments used by Dr. Tichauer, the
myograph,{{U}} {{U}} 8 {{/U}} {{/U}}visible through electrical
signals the work done by human muscle. Another machine{{U}} {{U}}
9 {{/U}} {{/U}}any dangerous features of tools, thus proving information
upon{{U}} {{U}} 10 {{/U}} {{/U}}to base a new design.
One{{U}} {{U}} 11 {{/U}} {{/U}}of tests made with this machine
is that a tripod stepladder is more{{U}} {{U}} 12 {{/U}}
{{/U}}and safer to use than one with four legs. This work
has{{U}} {{U}} 13 {{/U}} {{/U}}the attention of efficiency
experts and time-and-motion-study engineer, but its value goes far{{U}}
{{U}} 14 {{/U}} {{/U}}that. Dr. Tichauer's first{{U}} {{U}}
15 {{/U}} {{/U}}is for the health of the tool user. With the{{U}}
{{U}} 16 {{/U}} {{/U}}use of the same tool all day long on{{U}}
{{U}} 17 {{/U}} {{/U}}lines and in other jobs, even light{{U}}
{{U}} 18 {{/U}} {{/U}}work can put a heavy stress on one small area
of the body. In time, such stress can cause a disabling disease.{{U}}
{{U}} 19 {{/U}} {{/U}}, muscle fatigue is a serious safety{{U}}
{{U}} 20 {{/U}} {{/U}}.
【答案解析】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。