Which of the following sounds the politest? A: Come to my office at 5 o’clock. B: Please come to my office at 5 o’clock. C: Please come to my office around 5 o’clock. D: Could you come to my office around 5 o’clock?

5) _________________ through my engineering degree.”

I hope that in 5 years after my graduation, I will purchase my own _____ (公寓) and my own car.

Wait a moment. I forgot to take my 5)______________(校园卡).

Because the apples were on s_________ o________, my mother bought 5 kilos!

Question 5: That's my ______ A: recycled latest computer. B: latest recycled computer.

准确滴定单一金属离子的条件是( )() A: lgCM K′MY≥8 B: lgCM K′MY≥6 C: ΔlgCM K′MY≥5 D: C K′MY≥8

My sister is 5 years _______than I. A: old B: eldest C: elderly D: older

若要求△pM=0.2, Et=0.1% ，用EDTA滴定单一金属离子的条件是 A: lgcK’MY≥5 B: lgcK’MY≥6 C: lgcK’MY ≥7 D: lgcK’MY ≥ 8

类MyClass的定义如下： class MyClass { int value; public: MyClass(){value=0;} SetVariable(int i){value=i;} }; MyClass *p, my; p=&my; 则下列描述正确的是（ ） A: 语句p=&my;是把对象my赋值给指针变量p B: 语句MyClass *p,my;会调用两次类MyClass的构造函数 C: 对语句*p.SetVariable(5)的调用是正确的 D: 语句p->SetVariable(5);与语句my.SetVariable(5);等价