Unit 4 Wildlife Protection grammar课时作业

[语言知识练习固基础]

　　单句语法填空

　　1．If they had informed(inform) us, we would not come here now.

　　2．We had the machine repaired(repair)．

　　3．Vegetable oil is digestible(digest) and mineral oil is not.

　　4．He swapped his old car for a new motorcycle.

　　5．They need to be tolerant(tolerate) of different points of view.

　　6．Something suspicious was found after the room was sought through．

　　7．He's very vain of/about his abilities.

　　8．She seems very much opposed to your going(go) abroad.

　　9．The enemy planes dropped bombs at random.

　　10．Your attitude is in contradiction to your character.

[高考题型练习提能力]

　　Ⅰ.阅读理解

　　Instead of reaching for the fake tan or heading for the sun, new research suggests the best way to obtain a healthy glow is to eat more fruit and vegetables.

　　"Most people think the best way to improve skin color is to get a suntan, but our research shows that eating lots of fruit and vegetables is actually more effective，"said Dr.Ian Stephen at the School of Psychology, University of Nottingham.The team of researchers found that people who eat more portions of fruit and vegetables per day have a more golden skin color, due to compounds called carotenoids(类胡萝卜素)．

　　Carotenoids are antioxidants (抗氧化剂) that help absorb damaging compounds produced by the stresses and strains of everyday living, especially when the body is fighting disease. They are also responsible for the red coloring in fruit and vegetables such as carrots and tomatoes，and are important for our immune and reproductive systems.

"We found that，given the choice between skin color caused by suntan and skin