进行沾染手术时，先用纱布垫保护周围组织，再切开空腔脏器，并随时吸除外流物。
参考答案：对
I read an interesting book last night. The underlined part in the word “read” is pronounced as_______.
A．/rid/
B．/red/
C．/reid/
D．/r i:d/
有以下程序 #include＜stdio.h＞ double f(double x); main() double a=0;int i; for(i=0;i＜30;i+=10)a+=f(double)i); printf("%5.0f\n",a); double f(double x) return x*x+1; 程序运行后的输出结果是( )。
A)503 B)401 C)500 D)1404
