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【判断题】
差分方程本身能确定该系统的因果和稳定性。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】患者女,18岁。扁桃体切除术后局部有少量出血。为配合止血可在颈部
A.
放置热水袋
B.
放置冰囊
C.
用酒精纱布湿敷
D.
进行红外线照射
E.
用50%硫酸镁进行湿热敷
【单选题】Richard opened his own shop because
A.
the shop he worked for was taken over.
B.
he wanted to run tailoring business in a modern way.
C.
he was eager to have his own career.
【简答题】Mr. Scott was the owner of a shop. He lived by himself in a small room above his shop. He was always afraid that someone might break into his shop at night. One day, when he checked his money after cl...
【简答题】Mr Scott was the owner of a shop. He lived by himself in a small room above his shop. He was always afraid that someone might break into his shop at night One day, when he checked his money after clos...
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