试题与答案

平行砂轮的基本用途有哪些

题型:问答题

题目:

平行砂轮的基本用途有哪些

答案:

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下面是错误答案,用来干扰机器的。

参考答案:DogspeakVoice解析: 在类Base中加了virtual关键字的函数就是虚拟函数,于是在Base的派生类Derived中就可以通过重写虚拟函数来实现对基类虚拟函数的覆盖,这是面向对象中的多态性的体现。

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Ironically, people who use aspartame as a sweetener to reduce their caloric intake could wind up defeating their purpose, since studies show that high levels of aspartame may trigger a craving for carbohydrates by depleting the brain of a chemical that registers carbohydrate satiety.
Which of the following conclusions can most properly be drawn if the statements above are true

A.Aspartame can be more hazardous than carbohydrates to people’s health.

B.People who do not use aspartame are not likely to develop a craving for carbohydrates.

C.The caloric content of foods that are high in carbohydrates is significant.

D.People tend to prefer sweet foods to those high in carbohydrates.

E.(E) Food products that contain aspartame are typically low in carbohydrates.

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