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【简答题】
Some people say they have an answer to the problems of car crowding and pollution. In many cities, hundreds of people ride bikes to work every day. In New York City, some bike riders have even a group: Bike for a Better City. They say if people rode bikes to work, there would be fewer cars and less dirty air. For several years this group has tried to help bike riders. They want to have special roads for bikes only because when bike riders must use the same roads cars, there may be accidents.  Some people for a better city feel if there were bike roads, more people would use bikes. But bike roads have been ready yet. Not everyone thinks it is a good . Drivers don't like it, and some shop owners don't . And most people living _ far from the city to have to travel by bike. Still, has been done about it. On Saturdays and Sundays, the largest open park in New York is to cars, and the roads may be used by bikes only, but the group still says this is not enough and goes on fighting bike roads. 小题1: A.found B.founded C.form D.looked for 小题2: A.fewer B.less C.many D.more 小题3: A.as B.like C.beside D.on 小题4: A.no B.only C.some D.many 小题5: A.hope B.mind C.help D.idea 小题6: A.so B.and C.neither D.either 小题7: A.such B.quite C.too D.so 小题8: A.everything B.something C.anything D.nothing 小题9: A.closed B.open C.opening D.closing 小题10: A.get B.to get C.ask D.to ask
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【单选题】当异步电机转子旋转方向与同步转速方向相反,且转速高于同步转速时,异步电机处于()运行状态。
A.
电磁制动
B.
电动机
C.
发电机
D.
励磁电机
【单选题】异步电动机处于不同运行状态时,转子电流产生的磁势对定子的转速为:( )。
A.
n
B.
n 1
C.
sn 1
D.
sn
【简答题】如何预防小儿结核病。
【判断题】护理研究多数是以人为研究对象,所遵循的基本伦理原则有三项,即有益的原则、尊重人的尊严的原则和公正的原则。
A.
正确
B.
错误
【判断题】焊条电弧焊是利用电弧放电所产生的热量将焊条和工件熔化。
A.
正确
B.
错误
【简答题】已知函数 ,当 时是增函数,当 时是减函数,则 _________
【单选题】有益的原则、尊重人的尊严的原则和公正的原则出自
A.
《贝尔蒙报告》
B.
《纽伦堡法典》
C.
《赫尔辛基宣言》
D.
《日内瓦医学宣言》
【判断题】三相异步电动机处于稳定运行状态时,转子磁场相对于机座的旋转速度<定子磁场相对于机座的旋转速度
A.
正确
B.
错误
【单选题】网络零售包括( ) 2种形式 。
A.
B 2C和 C 2C
B.
B 2C和 B 2B
C.
C 2C和 B 2B
D.
B 2C和 O 2O
【简答题】如何预防小儿结核病。
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