—How much is too much for a schoolbag?—Experts say students should carry_______ more than 10 or 15 percent of their body weightA.noB.notC.anyD.far
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A解析no more than 不超过；not more than至多； 不超过； 不比 ... 更 ...; any more than至多, 仅仅, 不超过; far more是许多，太多。句意：书包多重才太多？ 专家说学生背的书包不得超过他们体重的百分之10到15。