如图是动植物进化的大致历程图解，请认真读图完成下列填空
求∠FDC和∠AHB的度数．
下列食品保鲜方法中，最有可能对人体产生危害的是（ ）
⑴Here you are.____ A. Yes, I do.
⑵Is this your watch?____ B. It's a watch.
⑶What's it?____ C. Thank you.
⑷Do you like apples?____ D. No,it isn't.
