A:①③
B:③④
C:①②
D:②④
—Hello, who can go to the Palace Museum with me tomorrow?
—Oh, sorry. _______ Jim _______ I can go with you; we have to take a test tomorrow.
如图,已知∠ABC=180°﹣∠A,BD⊥CD于D,EF⊥CD于F.
(1)求证:AD∥BC;
(2)若∠1=36°,求∠2的度数.
如图所示的进化树,简要表示了几种生物之间的亲缘关系。从进化树我们可以推测( )
选出划线字注音有误的一项( )