题目内容

有以下程序： #include＜iostream＞ using namespace std； #definePl 3.14 Class Point {private： int x，y； public： Point(int a，intB) {X＝a； y：b；} int getx() ＜return x；} int gety() {return y；}}； class Circle：public Point {pri

A. 314
B. 157
C. 78.5
D. 153.86

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A. Y
B. N
C. NG

A. She doesn't want to have a birthday party.
B. She doesn't like the gift.
C. She wants to forget her birthday.
D. She doesn't want to grow old.

A. obstructions to blood circulation
B. loss of pigment in the epithelium
C. pressure on the central nervous system
D. All of the above

A. Y
B. N
C. NG