分母是8的所有最简真分数的和是______.
分母是8的所有最简真分数有:18,38,58,78,
18+38+58+78=2;
故答案为:2.
After a long journey across the whole country from north to south, they found themselves ________ as well as their clothes. [ ]
A. picked out
B. called out
C. caught out
D. worn out
氯丙嗪不用于
A.精神分裂症B.人工冬眠疗法C.躁狂症D.晕动病呕吐E.顽固性呃逆