2015-2016学年高中英语人教版必修一同步课件：Unit 4 Period 2.pptVIP

【归纳拓展】 when的这种功能还常用于以下结构： …be doing…when正在……这时 …be about to do…when 正打算做……这时 be just going to do…when 正要……这时 had just done…when… 刚做了……这时 be on the point of doing…when 正要……这时 用上述知识完成句子 He was surfing the Internet ________ the electricity was cut off. 【答案】when 【解释】when在此为并列连词，意为“这时(突然)”。while也可作并列连词，但它表示对比。句意：“他正在上网，这时突然停电了”。 Ⅰ.单词拼写 1．He got some apples by s______ the apple tree. 2．The audience b______ into cheers. 3．The weather was so hot that the fish began to be s______ soon. 4．The flood d______ a lot of houses and many people became homeless. 5．He was lucky enough to be r______ from drowning. 6．After e______ was cut off，the lights went out. 7．D______ always come in three. 8．Trees along the road provide s______ from the sun for the farmers. 9．The bridge was badly d______ by the flood. 10．The workers are d______ a well in the desert. 11．Its an h______ for me to be invited to speak here. 12．The police set a t______ to catch the thief. 【答案】1.shaking　2.burst　3.smelly　4.destroyed 5．rescued　6.electricity　7.Disasters　8.shelter 9．damaged　10.digging　11.honour　12.trap Ⅱ.介、副词填空 1．She burst ________ crying the moment she heard the bad news. 2．An earthquake left the whole town ________ ruins. 3．The mud dug ________ was piled up to a long bank. 4．Please accept my congratulations ________ your marriage. 5．A man should be judged ________ his deeds，not his words. 【答案】1.out　2.in　3.out　4.on　5.from/by Ⅲ.句型转换 1．A.Hearing the news，he left for London at once. B．Hearing the news，he left for London ____________ ________. 【答案】right away 2．A.The villagers took the potatoes from the earth for food. B．The villagers ________ ________ the potatoes from the earth for food. 【答案】dug out 3．A.He burst out laughing while watching TV. B．He ________ ________ laughter while watching TV. 【答案】burst into 4．A.American fast food seems to be the most popular in the world. B．________ ________that American food is the most popular in the world. 【答案】It seems 5．A.Seeing a car coming at him at a top speed，the old m