未知题型 It can be inferred that the author's attitude toward the early stage of British industrialization should be one ofD.admiration.

未知题型 张某是甲期货公司的副总经理，李某是该公司的客户。甲期货公司指派张某为李某提供交易服务。后张某离职到了乙期货公司工作，但甲期货公司和张某都没有将此情况告知李某。李某继续在甲期货公司交易，并继续把下达的指令交给张某，而张某并没有把收到的指令交回甲期货公司，导致了李某的损失。乙公司对此事完全知情并采取默认态度。166. 在本案中，( )应承担该损失。D.张某和乙期货公司

未知题型 To fight a noise by making more noise sounds strange ,but that's exactly what motor engineers are doing in Germany and some other countries.Car makers' research and development laboratories have already proved that mixing more noise with the help of loudspeakers can reduce the unwanted noisE.Physicists have known about the technique for a long timE.Sound is made up of pressure waves in the air. If two sound waves of the same frequency(频率) mix so that the highest point of one wave happens at the same time as the lowest point of the other wave, the result is no sounD.Therefore ,by producing a perfect copy of the noise and delaying it by half a wave cycle(周期), we can kill the unwanted noisE.Using this technique many carmakers are racing to develop noise-killing systems(系统)both inside and outside the cars.Another good thing about the use of noise-killing systems is that it saves the need for a silencer; this not only reduces the weight of a car, but also makes the motor burn less fuel and work better.Some engineers believe that the noise-killing system will be used in most cars within a few years. But the carmakers haven't decided if they will carry it into production because it would add several hundred dollars to the cost of their cars.Which of the following gives a general idea of how the noise-killing system works?A.By producing pressure waves going in the opposite direction.B.By mixing high frequency sound waves with low frequency sound waves.C.By mixing new sound waves with the noise and sending them out together.D.By making copies of the unwanted sound waves and letting them out a little later.