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与美国小学生一起学英文科学篇Unit 1:练习题(mp3+lrc)

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与美国小学生一起学英文科学篇Unit 1:练习题(mp3+lrc)
    小E英语欢迎您,请点击播放按钮开始播放……

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1 Sand is hard to find. (T/F)

ANSWER 答案

 

2 Sand comes from rocks. (T/F)

ANSWER 答案

 

3 Sand is only black. (T/F)

ANSWER 答案

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 1 What is the diameter of a piece of sand?
a. less than 0.2 millimeters
b. less than 1 millimeter
c. less than 2 millimeters

ANSWER 答案

 2 Where can you find black color sand?
a. tropical areas
b. volcanic areas
c. cold areas

ANSWER 答案

 *Complete the sentence with the right answer.

3 Some smaller sand feels like______.
a. tree b. flour c. water

ANSWER 答案

 4 Some sand is______, and it can be found in tropical areas.
a. white b. green c. yellow

ANSWER 答案

 

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