22. --Why does the Lake smell terrible? --Because large quantities of water .
(A) have polluted
(B) is being polluted
(C) has been polluted
(D) have been polluted

48.48~50.以下程序的功能是：建立一个带有头结点的单向链表，并将存储在数组中的  字符依次转储到链表的各个结点中，请从与下划线处号码对应的一组选若中选择出  正确的选项。  #include  stuct node  { char data; struct node *next;};  (48) CreatList(char *s)  { struct node *h,*p,*q);  h=(struct node *) malloc(sizeof(struct node));  p=q=h;  while(*s!='\0')  { p=(struct node *) malloc(sizeof(struct node));  p->data= (49) ;  q->next=p;  q= (50) ;  s++;  }  p->next='\0';  return h;  }  main()  { char str[]="link list";  struct node *head;  head=CreatList(str);  ...  } (A)char * (B)struct node (C) struct node* (D) char

49.(A)*s (B)s (C)*s++ (D)(*s)++

50.(A)p->next (B)p (C)s (D)s->next

21. –Bruce, I really appreciate your handwriting. -- . (A) I practice every day (B) Thank you very much (C) No, I don’t think so (D) Well, it’s not good enough

23. --How amazing it is that astronauts are exploring outer space! --It’s a challenge, I guess, man against nature. (A) of (B) for (C) by (D) about

24. It’s helpful to put children in a situation they can see themselves differently. (A) that (B) when (C) which (D) where

25. For a moment nothing happened ,Then all shouting together. (A) voices had come (B) came voices (C) voices would come (D) did voices come

26. --Your mum is very kind --Yeah, My mum is pretty considerate, you know what ,she always arranges everything around me. (A) she means (B) you mean (C) I mean (D) we mean

27. We are at your service. Don’t to turn to us if you have any further problems. (A) beg (B) hesitate (C) desire (D) seek

28. The Somali robbed frequent attacks on the sea urged the United Nations to all nations to take immediate action. (A) fight for (B) apply for (C) call on (D) wait on