题目内容：

单词拼写

1.E________ is a process of gradual change that takes place over many generations, during which species of animals, plants, or insects slowly change some of their physical characteristics.

2.Emile invented a record player that used discs as a________ to tubes, so the modern record player was born.

3.No matter what c________, when the phone rings, everything stops so that the call can be answered.

4.The course has four main c________: business law, finance, computing and management skills.

5.The beautiful island is only a________ by boat.

6.Gravity is a natural p________ (现象).

7.A needle is used for letting liquid out of body parts which had ________ (肿胀) up.

8.Aspirin has the ________ (可能性) to reduce the risk of heart attacks.

9.This medicine has proved ________ (有益的) to mankind, because it has saved millions of people’s lives.

10.The kidney plays a ________ (极其重要的) role in the removal of waste products from the blood.