下列属于条件反射的是() A.咀嚼、吞咽食物引起胃液分泌 B.异物接触眼球引起眼睑闭 发布时间:2018-01-30 09:45 │ 来源:www.tikuol.com 题型:单项选择题 A1型题 问题: 下列属于条件反射的是()A.咀嚼、吞咽食物引起胃液分泌B.异物接触眼球引起眼睑闭合C.叩击股四头肌腱引起小腿前伸D.强光刺激视网膜引起瞳孔缩小E.闻到食物香味引起唾液分泌
题型:单项选择题 A1型题 下列程序的输出结果是 【11】 。#include<iostream>using namespace std;class Test{public: Test(){cnt++;) ~Test(){cnt--;) static int Count(){retum cnt;}private: static int cnt;};int Test::cnt=0;int main(){ cout<<Test::Count()<<’’; Test t1,t2; Test*pT3=new Test; Test*p T4=new Test; cout<<Test::Count()<<’’; delete pT4; delete pT3; cout<<Test::Count()<<endl; return0; } 查看答案