Answer the questions(根据短文内容回答下列问题)
Your Nose is Busy and Important
Your nose has many important jobs, and is always busy.
Smelling
Smelling helps you gather information about the world around you. A good scent (气体),like flowers, brings you pleasure. A bad scent, like smoke or sour milk, warns you of danger. Most things around you release scent particles (微粒) into the air. These invisible chemicals enter the nose when you breathe. Nerves in the nose send information to the brain to identify a smell. You are able to recognize thousands of smells.
Breathing
Most of the air you breathe enters through your nose. The nose uses hair and mucus (粘液) to clean dust and germs (细菌) out of the air. The air that enters your nose contains oxygen. Your body uses oxygen to unlock the energy in the food you eat.  Even when you sleep, your body needs energy to keep your heart beating and your brain working.
Tasting
Your nose helps you enjoy food. Flavor is a mixture of taste and smell. The smell of the food helps you identify what you are eating. The sense of smell contributes more to (贡献) food flavor than the sense of taste .When you are sick and have a stuffy nose, your food doesn’t taste as good because without smell, food loses most of its flavor.
Smell memory
Smells can bring back memories. Your brain uses a process to create a picture in your mind from the odors(气味)you smell. Smells can affect your feelings because the part of the brain that helps you identify smells is close to the area that affects your emotions, mood and memory. More smell memories are collected as you get older.
Your nose has many important jobs, and is more than just a smeller!
【小题1】How many important jobs does a nose do according to the passage? What are they?
【小题2】Smelling helps you recognize thousands of smells, doesn't it?
【小题3】What does the nose use to clean dust and germs out of air?
【小题4】What happens to your food if you are sick and have a stuffy nose?
【小题5】How do smells bring back memories?
【小题6】What do you think of your nose? Why do you think so?

When my first wartime Christmas came, I was in basic training in New Jersey and not sure if I could make it home for the holidays. Only on the afternoon of December 23 was the list of men who would have three-day passes (通行证) posted. I was one of the lucky soldiers.

??? It was Christmas Eve when I arrived, and a light snow had fallen. Mother opened the front door. I could see beyond her, into the corner of the living room where the tree had always stood. There were lights, all colors, and ornaments (装饰物) shining against the green of a pine.

??? Where did it come from?” I asked.

??? “I asked the Gates boy to cut it,” my mother said. “I wouldn’t have had one just for myself, but when you called--- oh, such a rush! He just brought it in this afternoon…”

??? The pine reached to the proper height, almost to the ceiling, and the Tree Top Krystal Star was in its place. A few green branches reached about a little awkwardly (难看地) at the side, I thought, and there was a bit of bare trunk showing in the middle. But the tree filled the room with warm light and the whole house with pleasant smell of Christmas.

??? “It’s not like the ones you used to find,” my mother went on. “Yours were always in good shape. I suppose the Gates boy didn’t know where to look. But I couldn’t be picky.”

??? “Don’t worry, ” I told her. “It’s perfect.”

It wasn’t, of course, but at the moment I realized something for the first time: all Christmas trees are perfect.

1. When the writer got home, ________.

A. it was December 23?????????????

B. it was snowing heavily

C. he found a Christmas tree in the living room????????????? ???

D. the Gates boy was cutting a Christmas tree for his mother

2. From the passage, we can conclude(推断) that ________.

A. the writer used to cut very beautiful Christmas trees??? ????????????? ?????????????

B. his mother didn’t like perfect trees????????????? ????????????? ?????????????

C. his mother didn’t want to have a tree???

D. the writer wouldn’t have a tree cut by someone else

3.“All Christmas trees are perfect”, because they can remind you of ________.

A. the wartime????????????? ? B. the green of a pine?????????????

C. the pleasant smell??? D. the sweet home

4. The best title for this passage would be “________”.

A. How to Choose a Christmas Tree

B. How Soldiers Spent Christmas

C. The Perfect Christmas Tree

D. The Christmas Without a Tree

 

American Classroom Rules

1. If the teacher asks a question, you should give an answer. If you do not understand the question, you should put up your hand and ask the teacher to repeat the question. If you don’t know the answer , it’s all right to tell the teacher that you don’t know . Then he or she knows what you need to learn.

2. There is no excuse for not doing your homework. If you can not go to school, you should call your teacher or your classmate and ask for the homework. It is your responsibility to find out what homework you have missed. It is not the teacher’s job to remind you of missed homework.

3. You must not be absent(缺席) on a test day. If you are badly ill, call and let the teacher know you will not be there for the test. If your teacher allows you to take a makeup , you should take the test within one or two days after you return to class. Bad illness is the only reason for missing a test.

4. Be on time! It’s not polite to be late. Also, it bothers other students. If you must come in late, be sure to do it quietly. Have your books out of your bag before you come into the classroom. Then go to your seat and sit quietly. In the US, it is not necessary to knock at the door before you come into the classroom.

1. If you can not go to school,          .

A.     the teacher will remind you of the homework

B.     the teacher will call you what your homework is

C.     you should find out what your homework is

D.     you don’t have to do your homework

2.. If you are badly ill,          .

A. you can’t be absent on a test day

B. you should take the test within one or two days

C. you should let your teacher know that you will be there for the test

D. you can miss the test

3.. In the US ,           if you are late.

A.     it’s all right to come into the classroom within knocking at the door

B.     take your books out of your bag after you come into the classroom

C.     it’s not necessary to keep quiet when you enter the classroom

D.     it’s not polite to knock at the door

4. The underline word “makeup” in the 3rd paragraph means          .

A.     化妆        B. 编造    C. 组成       D.补考

5.. The main idea of the passage is          .

A. that you should answer the teacher’s questions in class

B. that you have the responsibility to do your homework

C. the rules you should follow as an American student

D. that it’s polite to be on time for class

 

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