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【单选题】
Information relating to two processes (F and G) was as follows:Process Normal loss as % of Input input liters output litres F 8 65,000 58,900 G 5 37,500 35,700For each process, was there an abnormal loss or an abnormal gain?A.
Process F Process G Abnormal gain Abnormal gain
B.
Process F Process G Abnormal gain Abnormal loss
C.
Process F Process G Abnormal loss Abnormal gain
D.
Process F Process G Abnormal loss Abnormal loss
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举一反三
【简答题】某病人手术在全身麻醉下行胃癌根治术,苏醒过程中出现为吸气困难、发绀和喉部高调喉鸣音。
【单选题】若 为任一非零向量, 为模为 1 的向量,下列各式:1 | | > | | 2 ∥ 3 | | > 0 4 | | = ±1 ,其中正确的是( )
A.
①④
B.
③
C.
①②③
D.
②③
【简答题】音频信号编码方法有损压缩的分类:
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