在C++语言中每个类都有一个【 】指针,该指针指向正在调用成员函数的对象。
参考答案:this
解析:C++语言中this指针是类自带的一个指针,它指向正在调用成员函数的对象。
Every device () in the spacecraft must be designed and made with great care so as to be sure that nothing goes wrong in operation.
A. to be fitted
B. fitted
C. fitting
D. to have been fitted
加混凝剂能除去水中悬浮物和胶体的原因?