下载APP
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ wakefulness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【多选题】PROTOS-M5型接装机搓接鼓轮具有剔除和取样功能，可以()。
A.
剔除机器起动/停止阶段废烟
B.
剔除缺少双倍长滤嘴段的烟支
C.
剔除接装纸搓接不良的双倍长滤嘴烟支
D.
剔除含有金属杂质双倍长滤嘴烟支
【单选题】YJ29检测鼓轮外侧有一圆盘，其上有（），另一侧检测阀环装有检测帽，销钉圈与检测帽数量与检测鼓轮轮槽数相同。
A.
红外光电探测器
B.
定位销钉圈
C.
接收器
D.
扫描器