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搜题
【单选题】
腹部闭合性损伤诊断的关键在于首先确定有无A.
腹泻
B.
内脏损伤
C.
腹壁损伤
D.
恶心、呕吐
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】计算几均数应满足的条件是（ ）。
【简答题】What is true about The Cat in the Hat?
【简答题】What is NOT true about the scramjet engine?
【单选题】Which of these sentences is true?
A.
The teacher didn't hear what Bill said about him.
B.
The teacher heard what Bill said and got angry.
C.
Bill said that the teacher was unfair.
【多选题】计算几何平均数应满足的条件是（ ）
A.
总比率等于若干个比率之和
B.
总比率等于若干个比率的乘积
C.
总速度等于若干个速度的乘积
D.
被平均的变量值可以为任意数
E.
被平均的变量值不得为负数
【单选题】What is TRUE about the words?
A.
They are spoken or written sounds.
B.
They can't be written down.
C.
They are used to express feeling only.
D.
They are soundless signs.
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