世界人口分布的特点是（　　）

古印度的 “计数法”、中国的指南针都由“他”传到欧洲。“他”是（  ）

鸟卵中将来发育成雏鸟的结构是____ ，它是鸟卵中最重要的部分，在破壳而出的雏鸟中，有些是早成鸟，有些是晚成鸟．鸭、鹅、大雁等属于____ ；家鸽、燕子、麻雀等属于____ 

根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，并将答案标号填写在本题下面相应题号后的横线上。选项中有两项多余选项。
—Now, tell me about the man who stole your neighbor’s car. What did he look like?
—Well, sir. He was tall…
— ____ 
—Oh yes, and he was younger than you — only about thirty, I’d say.
—Well! And what color was his hair?
—It was brown, and short… it was similar to yours, actually.
— ____ 
—No, He was clean-shaven.
—OK. Now have a look at these photos — can you see him?
— ____ 
—But that’s Frankie Famham — he’s got a beard, and he’s very short!
—Hm, well…
— ____ 
—Yes, the strangest thing was that he appeared to be a gentleman — he was wearing a suit… not like a thief at all.
—Hm, like this photo?
—Yes, that’s him!
—That’s Bill Mahony: he’s in prison! Are you sure you saw the thief?
— ____