临床常用喹诺酮中体外抗菌活性最强者（）
A．吡哌酸
B．氟哌酸
C．氟罗沙星
D．萘啶酸
E．环丙沙星
参考答案：E
有以下程序： #include＜stdio.h＞ void WriteStr(char *fn, char *str) FILE *fp; fp=fopen(fn, "w"); fputs(str, fp); fclose(fp); main() WriteStr("t1.dat", "start"); WriteStr("t1.dat", "end"); 程序运行后，文件t1. dat中的内容是( )。
A．start
B．end
C．startend
D．endrt
根据句意及首字母提示完成单词。
1. We are m______ school students.
2. "Please s______ down," said the teacher.
3. Mr. Wang knows Australia well, because he is a g______ teacher.
4. Did you see the talk show "Y______, Today and Tomorrow"?
5. Alice s______ an exciting movie last Sunday.
