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【单选题】
成交的策略是促成交易活动的什么,适用于各种商品或服务的买卖活动:A.
基本思想
B.
灵魂
C.
精髓
D.
基本战术
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】Hi, Wang Ping. How have you been? What's ____with you?
【单选题】---______ it be Li Ping who broke the glass? -No. It ______ be Wang Hai who did it.
A.
Could; may
B.
Can; can
C.
May; must
D.
Can; must
【单选题】Mrs. Green thought that ______.
A.
Dr. Wang did not know how to help her.
B.
it was easy to lose weight.
C.
her diet was something to eat before dinner.
【多选题】下述说法正确的是( )。
A.
当矩阵A的特征多项式等于其最小多项式时，称方阵A为循环矩阵
B.
若矩阵A的特征值有重根，则矩阵A一定不是循环矩阵
C.
当矩阵A的约当规范形中相应于每个不同的特征值仅有一个约当小块时，A为循环矩阵
D.
对多输入线性定常系统，通过状态反馈实现系统全部极点任意配置的充要条件是系统状态完全能控
【简答题】25W阻值为1Ω的误差为±1% 的五环电阻的色环顺序为
【单选题】How did the man write down Wang Xin's name?
A.
He wrote it down according to the pronunciation.
B.
Someone wrote down the name for him.
C.
Someone told the man how to write the name.
D.
Wang Xin sent him an email to tell him her name.
【单选题】'______ did you come here?' 'Li Ping drove me.' [ ]
A.
How
B.
When
C.
Why
D.
How often
【简答题】How did Wang Ping feel when all the passengers agreed to go with him?
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