[判断题]列车发生火灾、爆炸时，列车需要分隔甩车时，一般为先甩下列车后部的未着火车辆，再甩下着火车辆，然后将机后未着火车辆拉至安全地段。
A.正确
B.错误

New inventions are appearing every day to make our lives easier, longer, warmer, speedier and so on. But only a few inventors design a new machine or product that becomes so well- known that the invention, named after its creator, becomes a household word. Here are four
famous inventors and the invention that are named after them:
1. John Bowler, a London hatter who designed the hard round hat known as the bowler in about 1850. It has become the symbol of a respectable British man.
2. Louis Braille (1809—1952), born in France. He was blinded as a child. In 1924 he developed his own alphabet patterns known as Braille by which the blind could read by touch.
3. Rudolf Diesel (1858—1913), a German engineer who invented the diesel engine in 1897 and s0 began a transport revolution in cars, lorries and trains.
4. Charles Rolls, a car salesman who with the engineer H

Millions of dollars often depend on the choice of which commercial to use in launching a new product. So you show the commercials to a (1) of typical consumers and ask their opinion. The answers you get can sometimes lead you into a big (2) . Respondents may lie just to be polite.
Now some companies and major advertising (3) have been hiring voice detectives who test your normal voice and then record you on tape (4) commenting on a product. A computer analyzes the degree and direction of change (5) normal. One kind of divergence of pitch means the subject (6) Another kind means he was really enthusiastic. In a testing of two commercials (7) children, they were, vocally, about equally (8) of both, but the computer reported their emotional (9) in the two was totally different.
Most major commercials are sent for resting-to theaters (10) with various electronic measuring devices. People regarded as
A. as with
B. against
C. as to
D. under