①全面禁止跨境资金流动 ②提高金融杠杆率,支持企业发展
③实施差别化的房贷利率调控政策 ④全面叫停网贷平台“校园贷”业务
A:①②
B:①④
C:②③
D:③④
设函数f(x)=-x1+xx∈R,区间M=a,b(a<b),集合N={y|y=f(x),x∈M},则使M=N成立的实数对(a,b)有( )
根据句意及汉语提示完成单词
①There is a bus ____ (车站) in our town (城镇).
② —Is this a big ____ (旅馆)?
—Yes, it is.
③My mother and my aunt are ____ (警察) .
④ —What's your father's job?
—He is a hotel ____ (经理).
⑤Daming's mother is a ____ (护士) in a hospital.
关于电流通过导体时产生的热量,下列说法中正确的是 ()
若x+1+y-3=0,则(x-1)2+(y+3)2=____.
Fried food and soft drinks are bad for us. I decide to _______ them.