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【简答题】
Please read Text A in Unit 2 and finish Task 2 in Activity 1. Write it according to the model on P35 on your notebook. Then take a photo of it and upload your photo.
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】阅读上面的短文完成句子，每空一词： Why Are You Buying All These Tickets? Why Are You Buying All These Tickets? A small man wants to see a film, so he comes to a cinema. He buys a ticket and goes in. But after two or t...
【简答题】Why is it a problem if all the smaller fish species die?
【单选题】男，65岁，干咳2周入院，无发热、咳血及呼吸困难。查体：心肺未见异常，双手可见杵状指。胸部X线片示右下肺可见直径约3cm的类圆形阴影。其内可见小空洞。该患者应首先考虑的诊断是
A.
肺结核
B.
慢性肺脓肿
C.
肺囊肿继发感染
D.
支气管肺癌
E.
Wegener肉芽肿
【简答题】求解下列微分方程： (1)xy'－y[ln(xy)－1]=0 (2) (3)(1＋ex)yy'=ex，满足y|x=1=1的特解．求解下列微分方程： 1.xy''=y'ln(y'/x) y=1/C1(x-1/C1)e^(C1x+1)+C2 2.yy''-y'^2=y^2*y' y=C1C2e^(C1x)/(1-C2e^(C1x)) ; y=C2
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