Question

阅读理解

　　Indeed, chemistry(化学反应)isn't just something you hear or read about. Though we can't see it, it exists everywhere; what's more, you practice chemistry every day.

　　You practice chemistry in the kitchen when you cook. You practice chemistry when you clean your house, wash your car, or paint a fence. You practice chemistry in the bathroom when you bathe and use cosmetics(化妆品). You practice chemistry when you take medicine or treat an injury. Indeed, some remarkable chemical changes happen while you eat or breathe and even while you sleep. Your body is the most miraculous(不可思议的)of all the chemical factories on Earth. It takes the food you eat and turns it into muscle and blood and skin and bones and brains and a numberless of other miraculous things. Your body takes oxygen from the air and combines it with part of the food you eat to provide you with energy for every activity you need. Chemistry is so important that can't go without it even a minute. Chemistry is so close with your life that we should pay more attention to it in our daily life.

(1)Which of the following is NOT true?

[　　]

A．You don't practice chemistry when you sleep.

B．You practice chemistry when you bathe and use cosmetics.

C．You practice chemistry when you take medicine.

D．We can't go without chemistry for a minute.

(2)We car draw a conclusion according to the text ________.

[　　]

A．Chemistry can't exists everywhere

B．Scientists don't know all the chemical changes that happen in man's body

C．Oxygen combines it with your muscle and gives you energies

D．Oxygen is change into blood

(3)The main idea of the passage is ________.

[　　]

A．everyone is a chemist

B．your body is the most miraculous of all the chemical factories on Earth

C．chemistry is close with your life

D．chemistry is practiced easily

(4)According to the passage, we can conclude that ________.

[　　]

A．our body is a result of chemistry

B．many chemistry could not be seen

C．oxygen is very important in our body's chemistry

D．all of the above

Answer 1

答案：A;B;C;D
解析：

(1)见第二段第四句，人睡觉也经历化学反应。 　　(2)因为人的身体是不可思议的化工厂，可说科学家并非全知道它。 　　(3)见本文最后一句。 　　(4)见第一段第二句与第二段倒数第三句。