读南极地区图, 距南极洲最近的大洲是 ( )
A:南美洲
B:非洲
C:大洋洲
D:亚洲
看图连线
____When do you have class? At 10:00 a.m. A、
____When do you play sports? At 4:00 p.m. B、
____When do you eat dinner? At 5 p.m. C、
____When do you eat breakfast? At 7:00 a.m. D、
____When do you do morning exercises? At 6:00 a.m. E、
给出下列四个命题:①命题“若α=π4,则tanα=1”的逆否命题为假命题;②命题p:任意x∈R,都有sinx≤1,则“非p”:存在x0∈R,使sinx0>1;③“φ=π2+kπk∈Z”是“函数y=sin2x+φ为偶函数”的充要条件;④命题p:存在x0∈R,使sinx0+cosx0=32 ;命题q:△ABC中,A>B⇔sinA>sinB,那么命题“‘非p’且q”为真命题.其中正确的个数是( )