题目内容

【题目】 How can you tell when Valentine’s Day(情人节) is coming? All those heart-shaped chocolate boxes in the store are a good clue（线索）. So are those boxes actually shaped like the heart inside your body?

In fact, your heart is not shaped like a heart. It looks more like a peach. It is about the size of your fist（拳头）. In most cases, it is in the left of your chest（胸口）. The human heart weighs about 250 grams. When a man is in a quiet state, his heart beats about 70 times a minute. When a person does very hard exercise, his heart beats can reach 150 to 180 times each minute.

The heart is one of the most important organs（器官） in the human body. It is made up of four “rooms”. When your heart contracts, the “rooms” get smaller. The main function （功能）of the heart is to provide pressure for blood flow and run blood to all parts of the body. When your heart relaxes, blood will come back into your heart and “rooms” get bigger.

Your heart keeps pumping blood throughout your body. It transports important nutrients to all the areas of your body. The health of the heart is very important to us. Please take care of your heart. Do you agree with my opinion?

【1】When ________ is coming, many heart-shaped chocolate boxes will be put in the store.

A.the Mid-Autumn DayB.National Day

C.the Tomb-Sweeping DayD.Valentine’s Day

【2】The human heart is shaped like ________ .

A.a heart-shaped chocolate boxB.a room

C.a peachD.a fist

【3】In most cases, your heart is in the ________ of your chest.

A.leftB.rightC.middleD.lower part

【4】Which of the following statements is NOT true according to the passage?

A.Your heart is about as big as your fist.

B.The heart is an important organ in the human body.

C.Heart beats about 140 times a minute when you are quiet.

D.There are four “rooms” in a human heart.

【5】The writer writes the passage in order to ________ .

A.tell us the shape of our heartB.show us the function of our heart

C.explain how big our heart isD.ask us to look after our heart

【答案】

【1】D

【2】C

【3】A

【4】C

【5】D

【解析】

这是一篇说明文，文章介绍心脏的位置、形状、大小和功能，强调心脏的重要性，呼吁大家要保护好自己的心脏。

【1】

细节理解题。根据第一段“How can you tell when Valentine’s Day is coming? All those heart-shaped chocolate boxes in the store are a good clue”可知情人节来临时，商店里有心形的巧克力盒子。故选D。

【2】

细节理解题。根据第二段“In fact, your heart is not shaped like a heart. It looks more like a peach”可知人的心脏的形状是像桃子。故选C。

【3】

细节理解题。根据第二段“In most cases, it is in the left of your chest”大多数情况下，心脏在胸的左边。故选A。

【4】

推理判断题。根据第二段“It is about the size of your fist”可知A选项表述正确；根据第三段“The heart is one of the most important organs in the human body”可知B选项表述正确；“When a man is in a quiet state, his heart beats about 70 times a minute”可知C选项表述错误；根据“It is made up of four ‘rooms’ ”可知D选项表述正确。故选C。

【5】

写作意图题。根据最后一段“The health of the heart is very important to us. Please take care of your heart”可知文章主要讲述的是心脏的重要性，呼吁大家要保护好自己的心脏。故选D。

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