【单选题】When will the drills begin?
【简答题】Airlines experienced a time of uncertainty in the past few years.
【单选题】When will the red bikes sent?
【简答题】Generally we remember only a few facts about the past.
【简答题】便用金属钝化剂的作用是抑制()对催化剂活性及选择性的破坏。
【单选题】假设有如下声明char str2 []="hello"; 如果想让str1的值等于str2的值,请选择正确的程序 :
A.
char *str1=new char[strlen(str2)+1]; strcpy(str1,str2)
B.
char str1[10]; str1=str2;
D.
char str1[10]; for(int i=0;i str1[i]=str2[i];
【简答题】All she had done for him in the past few years was of no ______ (available).