【三维设计】2013高中英语Unit19LanguageSectionⅢ语言点二应用落实课下作业北师大版选修7Ⅰ.完成句子1．Tomakesurethathewasathome,Icalledhimupin_advance(事先)．2．Shemaycomewithusprovided_that(假如)shearrivesintime.3．In_addition(除了)tothesearrangements,extraambulanceswillbeondutyuntilmidnight.4．Thediscussionfocused_on(集中于……)threemainproblemswhichdrewattentionofmostpeople.5．Comeandsign_up(报名),andyouwillgetagreatchance.Ⅱ.单项填空1．Alltheirattentionwas________onhowtosolvetheproblems________pollutedriversandpoisonousgas.A．absorbed;andsoonB．focused;suchasC．paid;asD．lost;forexample解析：选B。考查词组辨析。句意：他们所有的精力都用在怎么解决例如河流污染和有害气体的问题上了。由attention和on得知第一个空用focus；第二个空表示举例说明，如用forexample，后要有逗号隔开。2．I'llgotoAmericatoimprovemyEnglish________itisn'ttooexpensive.A．exceptB．providedC．assumedD．unless解析：选B。句意：如果不是太昂贵的话，我要去美国提高一下我的英语水平。provided充当连词，表示“假设，如果”。1
