读一读,选一选
____ Is your father here today? A. No, I don't.
____ What does your mother do? B. He's a businessman.
____ Do you want to be a head teacher? C. No. He's in Australia.
____ What does he do? D. She's a head teacher.
已知:在△ABC中,∠BAC=90°,AB=AC,点D为直线BC上一动点(点D不与B、C重合).以AD为边作正方形ADEF,连接CF.
⑴____A. always B. often C. fruit
⑵____A. vegetable B. first C.fruit
⑶____A. eight B.three C.first
⑷____A. his B. your C.I
⑸____A. drink B.sport C. eat
我国是一个以外流河为主的国家,下列关于我国外流河和内流河的分布,叙述正确的是( )