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小题1:Why does the writer introduce so many animals from different places to us?

A．To frighten us in the zoo.

B．To make us lovely in the zoo.

C．To attract us to the zoo.

D．To show that animals can do everything.小题2:How much does Mr. Smith have to pay if he visits the zoo with his two-year-old son?

A．￥3.

B．￥4.

C．￥5.

D．￥6.小题3:At which of the following time can we visit the zoo?

A．8:30 a.m. Wednesday.

B．9:30 a.m. Friday.

C．3:00 p.m. Sunday.

D．5:00 p.m. Tuesday.

下列程序的输出结果是______。
#include＜stdio.h＞
#define N 5
jnt fun(int*s，int a，int n)
int j；
*s=a；j=n：
while(a!=s[j])j--；
return j；

main()
int s[N+1]；int k；
for(k=1；k＜=N；k++)s[k]=k+1；
printf("%d\n"，fun(s，4，N))；

下列哪些因素影响子宫胎盘的血流灌注（）

A.腔静脉压

B.二氧化碳蓄积

C.子宫张力

D.血压

E.缺氧

风力大于（）级时应停止在带电线路杆塔上的作业。

A.5

B.4

C.3

D.2

下列哪种药对胃肠道刺激较轻微（）

A.对乙酰氨基酚

B.阿司匹林

C.布洛芬

D.吲哚美辛

E.尼美舒利