多发性硬化的症状可有：（）
A.单眼或双眼视力下降
B.共济失调
C.复视
D.单肢或多肢肌无力
E.眼球震颤
参考答案：A, B, C, D, E
When the manager goes out for vacation, he always leaves his secretary ____ the factory. [ ]
A. in the charge of
B. in charge of
C. in charge
D. in the charge
若有下列定义和语句： Char*s1="12345",*s2="1234"； printf("%d\n",strlen(strcpy(s1,s2)))； 则输出结果为______。
