【优化设计】2018-2019学年北师大选修7高二教案:Unit21:Warm-up优秀教学案
【优化设计】2018-2019学年北师大选修7高二教案:Unit21:Warm-up优秀教学案第2页

  

  1. How many parts of body can you see in this picture?

  2. What are the parts of the body?

  3. Can you describe the function of each part of the body?

例如:This is the brain, through which we can think and memorize something. It is inside our head and it can control the way we think, feel and move.

  Key words: 参看学习词汇。

三、听力训练。

  听下面五段短文,在横线上填入所缺的单词或词组:

1. This organ weighs about a kilo and is ________________ two sides . It is like a super

computer that _____________ information .

2. This is about the size of a closed hands. Its job is to _______________the food we eat

 so that we have energy and can be ____________ and strong .

3. This organ beats _______________ times a day . With each beat it moves 80 milliliters of

 blood - that's 8,000 liters of blood per day ! It __________ blood into the lungs,

 where it receives _____________ , before being pumped around the rest of the body .

4. This is very delicate organ . It's moved by 6 muscles and ______________ various

 different layers . Light enters and reaches special light ____________ cells .This works

 like a camera and finally sends_____________ to the brain .

5. These organs ____________ oxygen and get rid of carbon dioxide. They are situated on either

side of the heart . They receives air as a result of __________ and when blood passes

through. They give it oxygen.

答案:

1. made up of,processes 2. break down,healthy 3. 100,000,pumps,oxygen

4. consists of, sensitive, signals 5. absorbs, breathing

附:听力材料

1. This organ weighs about a kilo and is made up of two sides . It is like a super computer that

 processes information .

2. This is about the size of a closed hands. Its job is to break down the food we eat so that we

have energy and can be healthy and strong .

3. This organ beats 100,000 times a day . With each beat it moves 80 milliliters of blood

- that's 8,000 liters of blood per day ! It pumps blood into the lungs , where it receives