皮皮学，免费搜题
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搜题
【单选题】
叶片呈长椭圆形，上面暗灰绿色，先端，或微波状，基部蔓延至叶柄成翼状的药材是（）A.
罗布麻叶
B.
枇杷叶
C.
大青叶
D.
番泻叶
E.
侧柏叶
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Please turn to you teachers if you have any trouble ______ your studies.
A.
about
B.
with
C.
in
D.
on
【简答题】液压舵机有哪些常见的故障？
【简答题】简述热释电效应产生机理。
【单选题】Passengers to Tianjin please get your tickets ready and wait ___ your turn to board.
A.
for
B.
in
C.
at
【单选题】听力原文：W: Could you please turn down your TV a little? M: Sorry! Are you still preparing for the final exam? Q: Why did the woman ask the man to turn down the TV? (2)
A.
She didn't want to watch TV.
B.
She wanted to go to bed.
C.
She wanted to listen to the radio.
D.
Her study was disturbed.
【简答题】液压舵机常见故障有哪些？如何排除？
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