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【判断题】
挤岔是指列车顺向经过道岔且道岔处于四开状态,列车车轮挤过道岔使尖轨与基本轨分开。A.
正确
B.
错误
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举一反三
【单选题】What does the woman say about the plants in the Amazon rainforest?
A.
There are so many plants that it is hard to see the sky.
B.
Many plants are sick because of lack of sunlight.
C.
The plants are more spectacular than she has ever dreamed.
D.
The plants struggle hard to see the sun or the sky above.
【简答题】In the Amazon, many trees have been cut down to grow 1)_____ and raise 2)_____.