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问题 多项选择题

有关边缘封闭区哪几项不对()

A．牙槽嵴粘膜与唇颊粘膜的反折线区

B．上颌后堤区

C．下颌磨牙区

D．能承担部分咀嚼压力的区域

E．能阻止空气进入基托与所覆盖的组织内的区域

答案

参考答案：C, D

完形填空
完形填空。
     Laura lived in a small villager near the sea. One day she wanted to go   1   a swim in the sea. She knew that
the sea had a strong tide (潮水), but she was a good swimmer, so she wasn't   2   . While Laura's friends were
lying on the sands, she ran into the sea. She swam quite   3   from the beach and waved (挥手) to her friends in
the distance (远处). After a short while she wanted to swim back. She tried her best, but she couldn't get any
closer to  4  . The tide kept pushing (推) her back. She waved her arms to let her friends   5   that she was in
trouble, but they just waved back, for they didn't know what she   6   . After a long time, Laura became very 
  7   and she couldn't swim any more. Her legs went down   8   she lost hope. Suddenly, her foot touched the
sand. All the time she was in a place and there the water   9   deep (深的). When at last she went back to the
beach, one of her friends asked, "Did you enjoy your swim?" "Yes, it was lovely," she answered. Laura never
told her friends what really   10   to her on that day.
( )1. A. out
( )2. A. lonely
( )3. A. fast
( )4. A. the sea
( )5. A. knew
( )6. A. found
( )7. A. hungry
( )8. A. but
( )9. A. was
( )10. A. happened		B. for
B. surprised
B. far
B. the water
B. to know
B. meant
B. sleepy
B. or
B. were
B. remembered 		C. to
C. brave
C. slow
C. the beach
C. knowing
C. said
C. thirsty
C. as
C. wasn’t
C. did
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单项选择题

有以下程序，其中函数f的功能是将多个字符串按字典顺序排序
#include
void f(char *p[ ],int n)
char *t; int i,j;
for(i=0;i＜N-1;i++)
for(j=i+1;j＜N;j++)
if(strcmp(p[i],p[j])＞0)

t=p[i];
p[i]=p[j];
p[j]=t;
main()
char *p[5]="abc", "aabdfg", "abbd", "dcdbe", "cd";
f(p,5);
printf("%d\n",strlen(p[1]));程序运行后的输出结果是______。

A．2

B．3

C．6

D．4
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