皮皮学，免费搜题
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【单选题】
以下函数setup的功能是返回形参指针s1和s2所指字符串中较小字符串的首地址： # include＜stdio. h＞ # include＜string. h＞ char * scmp(char * s1, char * s2) { if(strcmp(s1, s2)＜0) return(s1); else return(s2); } main() { int i; char string[20], str[3][20]; for(i=0; i＜3; i++)gets(str[i]); strcpy(string, scmp(str[0], str[1])); strcpy(string, scmp(string, str[2])); printf('% s/n', string); } 若运行时依次输入：abcd、abba和abc3个字符串，则输出结果为______。A.
abcd
B.
abba
C.
abc
D.
abca
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】加工齿轮、丝杠时,试指出下列各种情况哪些不属于加工原理误差?
A.
用阿基米德滚刀切削渐开线齿轮
B.
母丝杠的螺距误差
C.
用模数铣刀加工渐开线齿轮
D.
用近似传动比切削螺纹
【单选题】听力原文：M: How do you keep in touch with old friends? W: I find email faster than the post and cheaper than phoning. I think I'd lose touch with people without it. Q: Why does the woman use email for kee...
A.
She doesn't.
B.
It offers the best combination of speed and low cost.
C.
She believes that, in the modern world, it is essential.
D.
She thinks that people who do not have email will lose touch with their old friends.
【单选题】听力原文：W: I wish I called home as often as you do. M: Yes, I really like to keep in touch with my family: Q: Does the man often call home? (10)
A.
No, he doesn't.
B.
Not very often.
C.
Yes, he does.
D.
As often as the women.
【单选题】— Do you know how I can ________ him? — On his mobile phone．
A.
learn
B.
reach
C.
seek
D.
touch
【单选题】一般你一周花多少时间学习这门课程(包括上课,课前预习,阅读,记笔记,写论文等其他与课程有关的工作)。[On average, how many hours per week have you spent on this course, including attending classes, doing readings, reviewing notes, writing papers and a...
A.
1.低于2[Under 4]
B.
3-5
C.
6-9
D.
10-13
E.
14-17
F.
18-21
G.
22 or more
相关题目：
【单选题】— Do you know how I can ________ him? — On his mobile phone．
A.
learn
B.
reach
C.
seek
D.
touch