皮皮学，免费搜题
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搜题
【判断题】
只要河流存在,它的溯源侵蚀作用与下蚀作用就永无止境A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He was the spirit of regnant labor as he stood there, his hands outreaching to rend and ______ his audience.
A.
crush
B.
clash
C.
crash
D.
crunch
【单选题】He stopped his ears with his hands to _____ the terrible noise.
A.
show off
B.
cut out
C.
keep from
D.
shut out
【简答题】It is (demanded) that he (hands in) the (homework) (this) afternoon
【简答题】是不同文类的阅读教学都应达到的基本目标。
【简答题】病毒的基本结构是由_ 和_ 构成,又称为_ 。