皮皮学，免费搜题
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【单选题】
中暑按发病机制分为A.
热射病、热痉挛和热衰竭
B.
轻症中暑、重症中暑
C.
热适应、热射病和热衰竭
D.
热适应、热痉挛和热衰竭
E.
热辐射、热痉挛和热衰竭
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
举一反三
【单选题】牙支持式义齿适用于下列哪种情况
A.
肯氏第一类和第二类，基牙稳固
B.
游离缺失
C.
前牙缺失
D.
大多数牙缺失，余留牙条件差
E.
缺牙数目少，缺隙两端有基牙，基牙稳固
【单选题】You know great changes _____________ in our school in the past ten years.
A.
have been taken place
B.
took place
C.
have taken place
D.
were taken place
【简答题】收到的大华公司投资的机器设备一台,价值100000元
【单选题】Great changes _________ in China in the last two decades.
A.
have taken place
B.
took place
C.
have been taken place
D.
are taking place
【单选题】Great changes, _______, have taken place in ourcountry these years.
A.
． generalspeak
B.
． speaking general
C.
． generallyspeaking
D.
． speak generally
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