同时应当为侨商归国工作、创业和生活提供更加便捷、适宜的环境，使得侨商归国后能够安心并专心于事业发展，提高海外高层次人才回国创新创业的热情Unit 6 Sunshine for allPeriod 4 Grammar 1【课堂检测】一、词组翻译。1. 从事志愿者工作_ 2. 给老人让座_ 3. 照顾一只被丢的宠物_ 4. 保持公园洁净_ 5. 确保他们是安全的_ 6. 与人交流有困难_7. 献血给有需要的人_ 8. 在公共场所吸烟_9. 为慈善机构工作_ 10. 没有志愿者的帮忙_二. 用所给单词的适当形式填空。1. Is it _ (mean) to protect the environment?2. Its _ (help) of him to help the old woman carry the basket.3. Its necessary to be _ (friend) to animals.4. Its careless of him _ (make) so many mistakes.三、单项选择。( ) 1. It is important _ people _ learn team spirit. A. of; of B. of; to C. for; to D. to; to( ) 2. _ is really kind _ him to help the blind people cross the road. A. This; of B. It; of C. This; for D. It; for( ) 3. -What do you think of tomorrows football match? -_ difficult for us _ the match. A. Were; to win B. Were; winning C. Its; to win D. Its; winning( ) 4. Its so brave _ the soldier to save the boys life. A. to B. of C. for D. at( ) 5. Its dangerous _ a close look at the tiger in the zoo. A. for us talking B. of us to take C. of us taking D. for us to take( ) 6. The boy is too young. Its impossible _ him to look after _. A. for; he B. for; him C. for; himself D. of; himself( ) 7. I think _ necessary _ to take more exercise. A. it; for Jim and me B. its; to Jim and me C. that; for Jim and I D. thats; to Jim and I( ) 8. The office can provide us _ food. It van also provide water _ us. A. for; for B. for; with C. with; for D. with; with( ) 9. By _ local doctors and nurses, we hope _ more patients. A. train; help B. training; to help C. training; helping D. train; helping( ) 10. The money they have raised is used _ the poor children in our class. A. to helping B. help C. helpful D. to hel中国就走上了一条高速发展的复兴之路。中国的科技进步能够取得如此巨大的成就，都要归功于改革开放。东西方文明因改革开放而交流碰撞，而我的创业之路因改革开放而扬帆起航。