皮皮学，免费搜题
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【多选题】
下列哪些做法对突破高音有所帮助?A.
撕心裂肺地喊上去
B.
只练习高音，不注重低音训练
C.
多加练习，心理暗示
D.
放松身体，深呼吸
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】用am，is或are填空。 1.That's my father and this my mother. They my parents. 2.This is my friend and that my sister. 3. —_ she your sister? —Yes.she . 4.— he your brother? —No. He my friend. 5.— Guo Peng yo...
【简答题】Where it was once inevitable that those who left to study at prestigious foreign universities would remain on distant shores for years, China’s graduates are now answering the call of home more than e...
【简答题】账务处理：科达公司签发现金支票一张，从银行提取3000元现金备用。
【单选题】— Whose English-Chinese dictionary is this? — It's _____ . My parents got it for my sister and me. [ ]
A.
hers
B.
ours
C.
mine
D.
theirs
【简答题】已知 R=500m , l 0 =60m , α=28°36′20′′ , ZH 点里程为 86+424.67 ,求综合要素及主点的里程。
【单选题】Frank and Mary are my mother's parents. They are my ______. [ ]
A.
grandparents
B.
grandfather
C.
grandmother
D.
uncles
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