七五折==________%=27:________=________(填小数) 答案:【答案】21;75;36;0.75【解析】折扣,指买卖货物时按原价的若干成计价,几折就是百分之几十,据此完成折扣与百分数的互换;百分数化成分数,先将百分数写成分母是100的分数,然后进行约分即可;根据分数与比的关系,分数的分子为比的前项,分母为比的后项;根据比的基本性质,比的前项和后
I always take something to read when I go to the doctor's ________ I have to wait.
[ ]
A.in case
B.so that
C.in order
D.as if