高二英语课下作业北师大版选修7《Unit 20 New Frontiers》Section Ⅱ 语言点三应用落实

111.用所给动词的适当形式填空1I was_coming (come) to see you when I ran (run) into my best friend, Tom.2Looking (look) out of the window, I saw some students playing there.3He went out and left the baby sleeping (sleep) in bed.4Without solar radiation, animals and plants would_die (die).单项填空1. _ up at his father, he asked what was the matter with him.AHaving lookedBTo lookCLooking DLook解析：选C。look与he之间应为主动关系，且分词与句子谓语动词之间没有时间先后，故用现在分词。2Jasmine was holidaying with her family in a wildlife park _ she was bitten on the leg by a lion.Awhen BwhileCsince Donce解析：选A。句意：Jasmine正与她的家人在一个野生公园度假，这时她的腿被一头狮子咬了。be doing . when .意为“正当，这时(突然)”，符合句意，when为并列连词。3. _ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.ATo be tired BTiredCTiring DBeing tired解析：选B。本句中的Tired and short of breath为形容词短语作状语，补充说明主语所处的状态。111