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【单选题】
Automobile exhaust is a serious pollution problem in Riverside, and instituting tolls at Riversides bridges would reduce the total number of miles traveled by automobiles. Nevertheless, overall pollution levels would not decrease because there would be long lines at the toll booths, and automobiles expel more exhaust per minute while idling than in any other driving situation. The argument above depends on which of the following assumptions?A.
Any reduction in automobile exhaust resulting from a reduction in the miles traveled by cars would be matched or surpassed by the additional exhaust resulting from toll lines.
B.
Cars in Riverside spend more time, on average, idling than they do in other driving situations.
C.
Increasing automobile exhaust at the bridges will not significantly affect air pollution because few drivers use the bridges in Riverside frequently.
D.
Reducing automobile exhaust is not the most effective way of reducing air pollution.
E.
The inconvenience of idling in the long toll lines at Riverside' s bridges will cause most drivers to change their driving routes, not the amount of driving that they do.
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【单选题】根据《宪法》和法律的规定，关于特别行政区，下列哪一选项是正确的？（）
A.
澳门特别行政区财政收入全部由其自行支配，不上缴中央人民政
B.
澳门特别行政区立法会举行会议的法定人数为不少于全体议员的三分之二
C.
非中国籍的香港特别行政区永久性居民不得当选为香港特别行政区立法会议员
D.
香港特别行政区廉政公署独立工作，对香港特别行政区立法会负责
【多选题】YL-335B加工单元在设备上电和气源接通后,初始状态下:
A.
滑动加工台伸缩气缸处于伸出位置；
B.
加工台气动手爪处于松开的状态；
C.
冲压气缸处于缩回位置；
D.
急停按钮没有按下。
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