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【简答题】
用 VSEPR 理论判断 XeF 4 分子的构型 。
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
【简答题】They wanted to charge $6,000 for the house, ____ we managed to bring the price down. A．but B．so C．since D．when
【简答题】bring the house down
【简答题】A．To bring electricity into his house for lighting. B．To have fun. C．To attract thunder. D．To conduct a scientific experiment.
【单选题】Before the police arrived, the thief had turned the house .
A.
upside down
B.
here and there
C.
up and down
D.
in order
【单选题】__________the burglar from the second floor when the house owner found him stealing last night.
A.
Down jumping
B.
Down jumped
C.
Jumping down
D.
Jumped down
【简答题】缩写代码 英文全称 中文全称 活动物 干冰 鲜花 易腐货物 贵重物品
【简答题】bring down the house
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