—He is going to France ________ He will stay there for two weeks.
A:on sale
B:on business
C:on show
亚洲大部分国家过去经济不发达,主要原因是( )
如图,如果∠1=∠2,DE∥BC,则下列结论正确的个数为( )
(1)FG∥DC;(2)∠AED=∠ACB;(3)CD平分∠ACB;(4)∠1+∠B=90°;(5)∠BFG=∠BDC.
pō shuĭ jié
wàng
huān dù
lìng
____
难____
命____