What does the woman say about local people?
A. They enjoy being so far away from technology.
B. They live miles and miles away from each other.
C. They never travel more than 15 miles along the river.
D. They are separated from the world outside of the jungle.
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Why was the old woman in the village so excited?
A. Because Emily showed her a great treasure.
Because Emily helped her win a big prize.
C. Because Emily gave her an empty bottle.
D. Because Emily gave her a bottle of wine.
What has the woman learned from her traveling experience?
A.Small and common things should also be valued.
B. Local people in the rainforest are easier to please.
C. Without modern technology, life can be quite different.
D. Local people in the rainforest take modern life for granted.
A1.5-1: 一个质点在做圆周运动时,则有( )
A. 切向加速度一定改变,法向加速度也改变
B. 切向加速度可能不变,法向加速度一定改变
C. 切向加速度可能不变,法向加速度不变
D. 切向加速度一定改变,法向加速度不变
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