用10米长绳子,做5条同样长的跳绳,每条跳绳长多少米?
10÷5=2(米)
下列不需常规监测的药物是
A.阿米卡星B.丙戊酸C.万古霉素D.洛伐他汀E.茶碱
单位换算:
(1)人头发的直径约为7×10-5m=______cm=______nm;
(2)太阳的半径约为7×108m=______km;
(3)0.5h=______min=______s;
(4)3600s=______h=______min.