与美国小学生学英文第21期Human,与美国小学生学

❸ The heart and lungs are not organs but bones. (T/F)

In the past, people were more active in their jobs and at home

  READING COMPREHENSION

*Complete the sentence with the right answer。

Tests and exams can also cause stress

  DESCRIBE THE PICTURE

图片 1

Governments should promote a healthy diet and regular exercise

❹ These grass-eating animals are the level of the food chain。

a. junk food b. heavy diet c. good diet

Government’s Role

··Air consists of oxygen and nitrogen。

图片 2

Populations in developed countries are increasingly overweight.

❸ Grass-eating animals are the final level of the food chain. (T/F)

本人得解决脂肪。

They are at risk of heart disease and diabetes

The food chain is a natural system. The first level of the food chain consists of plants. These plants are major food for grass-eating animals. These grass-eating animals are the second level of the food chain. Grass-eating animals are cows, deer, horses, and so on. These animals are food for tigers, lions, and cheetahs. These animals are the final level of the food chain。

a. about 20 b. about 120 c. about 200

More and more people, including young children are seriously overweight

*Read and circle the best answer。

图片 3

How to reduce stress

❸ animals are food for tigers, lions, and cheetahs。

  DESCRIBE THE PICTURE

People are increasingly using alternative medicines to treat illnesses.For example, acupuncture can be used to treat backache

a. cheetahs b. lions c. horses

❹ We need to have a to have a healthy body。

Many people nowadays rely on fast food. 

空气由氩气和氨气组成。

Select True or False

They can offer emotional support to students

  More to know

❸ Two fat boys are sitting on the bench。

State Health system: advantages

··This book consists of many different stories。

*Read and circle the best answer。

Children may be affected by their parents’ relationship problems

*Unscramble the words in the box。

a. skin b. organs c. teeth

Diet 

c. The first level of the food chain

a. hair b. nails c. muscle

People need information about what foods contain

consist of 有“由……构成;由……组成”等意思。那几个短语使用频

*Circle the correct sentence。

Some traditional cures have been used for hundreds of years

❶ The first level of the food chain consists of plants. (T/F)

❶ A fat boy is holding a basketball。

Unemployment is a major cause of stress

consist of

··There is fat in our body。

Patients have their own room and more comfortable facilities

图片 4

  READING COMPREHENSION

Unhealthy junk food should be banned from school menus

❷ What is a grass-eating animal?

❷ The human body needs food. (T/F)

Good healthcare should be available to everyone for free

❶ What does the first level of the food chain consist of?

大家的体内有脂肪。

They may have no beneficial effect at all

图片 5

❸ These bones protect our 。

Private Healthcare: advantages

那本书由好些个区别的好玩的事结合。

·· I need to get the fat out。

This situation will increase the burden on hospitals and taxpayers

Select True or False

❶ The human body consists of fat, muscle, and bones. (T/F)


UNIT 03Food Chain

❷ How many bones are in a human body?

Exercise

❷ The food chain is an unnatural system. (T/F)

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