unit21 Lesson 3同步训练 北师大版选修7.docVIP

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 1. My grandfather lived a miserable life before 1949. He often said that nothing could _____ his bitter memories of the past. A. miss out B. leave out C. stand out D. wipe out 2. More and more people think that nature _____ our protection because we ourselves depend on it to live our lives. A. deserves B. reverses C. reserves D. preserves 3. When you apply for an e-mail box, you are expected to fill in your necessary personal information before you _____ the form. A. vote B. register C. purchase D. submit 4. Having a strong will to live, some patients in the _____ stage of cancer recovered unexpectedly. A. temporary B. skeptical C. terminal D. thorough 5. Common cold is a slight illness, the _____ of which usually are fever, headache, sore throat, cough and running nose. A. symphonies B. symbols C. symptoms D. phenomena 6. —Did you scold Peterson for it? —Yes. But I _____ that. A. wouldn’t have done B. couldn’t have done C. mustn’t have done D. shouldn’t have done 7. _____, she would have got through the driving test. A. If my mother practised more B. If my mother should practise more C. Had practised more my mother D. Had my mother practised more 8. My uncle made a promise _____ he would send me a nice present at Christmas. A. that B. 不填 C. which D. what 9. He always leaves the light _____ all night long — it’s really a waste of money. A. burn B. burning C. burnt D. to burn 10. His grandma came to see him from the country, _____ him a bag of rice as well as a basket of apples. A. to bring B. brought C. bringing D. having brought 第三部分 阅读理解 阅读下面短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。 While food gives people energy, it can also make people happier. Usually when people are feeling depressed, they go see a psychologist, but food can also lift people’s spirits. Scientific studies show that som