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【简答题】
I come to Beijing for the first time.(同义句转换) This is the first time that I _____ to Beijing. He will come back _in_two_days_.(对划线部分提问) _____ will he come back? He has been in the army for 15 years.(同义句转换) It has been 15 years since he ______. What is Jack doing in the afternoon?(用do his homework进行回答) Jack___________ in the afternoon. He often does his homework before school.(变为一般疑问句) ________ his homework before school?
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【简答题】Plants are very important. This is because plants can make food from air, water and sunlight. Animals and man cannot make food from air, water and sunlight. Animals can get their food by eating plants...
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【单选题】Bits of dead plants that are mixed with living and nonliving things make up ________.
A.
water
B.
soil
【简答题】The health of millions could be at risk because medicinal plants are being used up.These plants are used to make traditional medicine，including drugs to fight cancer.“The loss of medicinal plants is a...
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