不定项选择执行range(N1, N2)可生成N2-N1+1个整数。
单项选择题In the experiment“Hyperkalemia”,the heart stopped beating indiastolic period, indicatingthat ( ) A、The myocardialcontractility increases. B、The myocardialcontractility decreases. C、The myocardialcontractility has no change D、None of all above
