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【简答题】
Fill in the blanks with the information you have heard from passage. [音频] 1) Purpose of the programs: to 1 and 2 children to appreciate nature. 2) What children learn at a national park: • Learn to 3 different plants, flowers and trees and understand how they 4 the health of our environment. • Learn how to 5 nature without damaging it and what they should do at home so as not to 6 to nature.
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参考解析：
刷刷题刷刷变学霸
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【单选题】[音频] question 12: What is the best thing about iPads according to the couple?
A.
They ma k e f or exce 11 ent entertamment.
B.
They are useful for the annual family vacat10n.
C.
They keep children at different age levels occupied.
D.
The y are helpful when going to the grocery store.
【单选题】[音频]23.What were originally used as ice skates?
A.
Animal bones.
B.
Iron blades（刀刃）.
C.
Steel blades.
D.
Wooden blades.