题目内容
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】______ .
【C1】
查看答案
搜索结果不匹配？点我反馈
更多问题
听力原文： The Indian government has given its approval to a merger between the country's two state-run airlines. Key government ministers gave their consent to a merger between Air India and Indian Airlines despite opposition from leftist politicians concerned about the welfare of the airlines' employees. Indian civil aviation officials predict the merger will save more than 150 million dollars annually without any job cum. The two legacy carriers have been losing money for years despite a boom in air travel here. Indian Airlines traditionally flew domestic routes, while Air 'India was the international flag carrier. Less than five years ago India had only three airlines. There are now ten, including several low-cost carriers. The merger of the two state-run airlines is set to start March 31st, and industry watchers say the merged carriers could eventually be partly or fully privatized.
In the description of two Indian airline companies, which statements is INCORRECT？
Which statements is true as to the description of capture operation？
听力原文： Hundreds of protestors have taken to the streets of Dill, the capital of East Timor, chanting support for the fugitive army rebel, Alfredo Reinado. They burned tires and threw stones before being dispersed by international security forces. The protest came on the day after Australian-led peacekeeping forces attempted to capture Major Reinado at his base in a town south of Dili. Four people were killed in the operation but Major Reinado himself escaped.
What did the protestors do to support Alfredo Reinado？
What will midweek U. S. petroleum inventory report possibly show？
微信支付 
支付宝支付