题目内容

He ______ here since 1980.

A. have lived
B. has lived
C. have been lived
D. has been lived

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My grandpa died _________.

A. at the age of my 2
B. for 2 years
C. when I was 2
D. my age was 6

When you come tonight at eight o’clock, I _____ eight lessons.

A. would review
B. shall review
C. shall have reviewed
D. shall be reviewing

下列对派生类的描述中，（）是错误的。

A. 一个派生类可以作为另一个派生类的基类
B. 派生类至少有一个基类
C. 派生类的成员除了它自己的成员外,还包含了它的基类的成员
D. 派生类中继承的基类成员的访问权限到派生类中保持不变

若类A和类B的定义如下：classA{inti,j;public:A(intm,intn):i(m),j(n){}intGeti(){returni;}};classB:publicA{intk;public:B(intm,intn,intu):A(m,n),k(u){}voidMake(){k=i*j;}};intmain(){ Bb(1,2,3); return0;}则上述定义中，（）是非法的表达式。

A. k=i*j;
B. intk;
C. returni;
D. voidMake()