搜题
王老师:19139051760(拨打)
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第1题

Patrols should be conducted by teams ______ individuals. 选择一项： A. rather than B. no less than C. more than
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第2题

______ these potential problems, two-way radios are preferable as they are extremely reliable for short distances and ca
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第3题

欧拉公式中的cosθ=( ). A.e^(iθ)+e^(-iθ) B.e^(iθ)-e^(-iθ) C.[e^(iθ)+e^(-iθ)]/2 D.[e^(iθ)-e^(-iθ)]/2i
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第4题

指数函数e[^]z 将带形域0 A.上半平面Imz>0 B.下半平面Imz> 0 C.上半平面Imz<0 D.下半平面Imz< 0
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