男生人数为:(1-45%)x.
故选C.
Little _____ at that time that this“boring”subject would become his favourite later on.
A.he knew
B.he has known
C.did he know
D.has he known
某项目的一部分建设资金从国外借款,当外币对人民币升值时,本息所支付的( )。
A.外币金额不变,折算成人民币金额减少B.外币金额不变,折算成人民币金额增加C.外币金额增加,折算成人民币金额增加D.外币金额减少,折算成人民币金额减少