以下事实不能用额费脑子运动的观点来解释的是[ ]
A.走过花圃闻到花香
B.试衣服经过晾晒变干
C.香水、汽油密闭保存
D.6000 L氧气在加压下可装入容积为40L的钢瓶中
答案:D
—Can't you see the car on the hill?
— ________.[ ]
A. Yes, I can't.
B. No, I can.
C. No, I can't.
D. Yes, I'm.
有以下程序: #include <iostream> using namespace std; class sample private: int n: public: sample () sample(int m) n=m; sample add(sample s1, sample s2)this->n=s1.n+s2.n;return (*this); void disp () cout <<"n="<<n<<end1; ; int main()sample s1(1)0,s2(5),s3;s3.add(s1,s2);s3.disp();return 0; 程序运行后,输出的结果是
A.n=10
B.n=5
C.n=20
D.n=15