根据句意提示补全单词。

1. Bill Gates ___________ his interest in software when he was only 13.

2. Bill Gates and his friends often ___________ fortune magazine for fun.

3. Bill Gates ___________ Harvard University that many people dream of.

4. Bill Gates is a friendly, funny and ___________ person.

5. Everyone agrees that he is hardworking, ___________ and confident.

17－18世纪西欧商人海外贸易的特点是（）

A、一般性的商业贸易与抢掠、欺诈相结合

B、进行一般性的商业贸易

C、热衷于海盗式的抢劫和贩卖黑人奴隶的贸易

D、资本输出、商品输出和掠夺原料相结合