问题 填空题

齿轮滚刀加工齿轮时,滚刀的齿形误差是沿()方向传递到工件上去的。

答案

参考答案:其基圆柱切平面内的啮台线

完形填空

A traveler came out of the airport. There were a lot of    . He asked every taxi - driver's name. Then he took the third one. it    5 dollars to go from the airport to the hotel. "      does it take to hire(雇请) you for the whole day?" The man asked. "100 dollars." said the taxi-driver. This was very    , but the man agreed. Then the taxi - driver showed him all the parks and museums in the city.. In the evening they went       to the hotel. The traveler gave the taxi -driver 100 dollars and said, " What about tomorrow?" The taxi -driver     the man and said, "Tomorrow? That will be     100 dollars. " But the man said it was OK. The taxi –driver was very.    to be getting more money.

The next evening, after taking the traveler to visit the same parks and museum, the tad - driver    another 100 dollars, he felt guilty(内疚的) became 100 dollars a day was a lot of money. "So you're from New York," said the taxi -driver. "I have a       in New York. Her name is Susan. Do you know her?" "Sure. She gave me 200 dollars to give you!"

小题1:A. trains                    B. boats                  C. taxis

小题2:A. cost                     B. paid                    C. spent

小题3:A. How many              B. How long               C. How much

小题4:A. cheap                   B. low                    C. expensive

小题5:A. for                      B. back                   C, across

小题6:A. looked at                 B. looked after             C. looked for

小题7:A. the other                  B. another                 C. other

小题8:A. angry                    B. unhappy                C. pleased

小题9:A. received                 B. gave                   C. borrowed

小题10:A. brother                B. son                     C. sister

单项选择题