Some plants live together in a beneficial relationship of symbiosis. The fungus (真菌类植物) does not have chlorophyll (叶绿素) that plants need to make food. However, green algae does contain chlorophyll. It is, therefore, able to feed the fungus along with itself. But nothing is free! The fungus repays it by protecting the algae. Since it takes in and stores water, it can provide the algae with a non­ending water supply.

　　1．Why does the pilot fish swim beside the shark?

　　A．Because he likes eating the waste given off by the shark.

　　B．Because he can help the shark get food.

　　C．Because he can get food and protection.

　　D．Because he needs the help of the shark to lead his way.

　　解析：选C　细节理解题。根据第二段中的“When the shark eats, the pilot fish gets the leftovers. And the pilot fish needn't worry about his safety.”可知，答案为C。

　　2．To repay the sea anemone, the striped clown fish ________.

　　A．paralyzes small fish for him

　　B．helps him catch other fish

　　C．does some cleaning work

　　D．warns him of the danger

　　解析：选B　细节理解题。根据第三段中的“To pay for his safety, the clown fish brings food to the anemone. He also guides other fish into the anemone's deadly trap.”可知，答案为B。

【2017届湖北省高三英语一轮复习学案：Unit 4《Sharing》（人教版选修7）】相关文章：

★ 2017届江苏省淮安市新马中学高考牛津译林版英语一轮复习活动单：模块7 unit 3《The World online》

★ 2014届高考英语一轮复习课时作业(十八)必修3Module 6《Old and New》（外研版）

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：5（含解析）

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（4）模块2 《Unit 4 Cyberspac》（含解析） 北师大版必修1

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修3 unit1《Festivals around the world》

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十二)必修5Unit 2《The United Kingdom》

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修3 unit3《The Million Pound Bank Note》

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修4 Unit 3 A taste of English humour

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修1 unit4《Earthquakes》

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修5 unit2《The United Kingdom》