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【单选题】
中科院和在北京召开第二次少数民族语文科学讨论会。会议确定了帮助少数民族（ ）的原则。
A.
学习文字
B.
创制文字
C.
选择文字
D.
听写文字
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.