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[单选题]若将D=B* B-4*A*C改为D=A*A+B*B-C*C,则D的输出结果为 ______。A.0B.1C.2D.3
[单选题]23. Recycling is___________ to get rid of rubbish.A. one of the new waysB. only one wayC. not the way .D. an inadequate way
Molly had fought and ___ her fear of flying.A. overcomeB. hitC. sweepD. moderat
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