高中英语冀教版必修3Unit4《Astronomy：the science of the stars》词汇学案2

111沧州市颐和中学导学案20132014第二学期第_33_号 Class _ Name_ Date_学科高中英语年级高一作者杨卫芬 孙悦 课题课型新授学习目标：正确使用所列词汇（在一定语境下会翻译）1. puzzle vt. _ n. _（1）用法： puzzle sb 令某人感到困惑例句：This sentence _ _. 这个句子令我困惑。 What she said _ _. 她的话令我们很困惑。（2）be a puzzle to sb = puzzle sb例句：你能将上面两个例句用puzzle的名词表达出来吗？这个句子令我困惑。_她的话令我们很困惑。 _（3）你能区分 puzzled 和 puzzling 吗？_ 例句： her _ look 她困惑的眼神（联想：她给了我一个坚定的眼神_）3. prevent from _ = stop sb. from doing sth = keep sb. from doing sth例句：What can we do to _/_/_ this disease _ _？我们能做什么来防止这种疾病蔓延（spread vi.）呢？ 大雨使我们无法外出。Rain _/_/_ us _ _(go out).拓展 keep sb. doing 让某人一直做某事不要让别人等(wait)太久。Dont _ others _ for long. 【当堂练习】1At the _ news, there was a _ expression on his face.Apuzzled; puzzling Bpuzzling; puzzle Cpuzzling; puzzled Dpuzzled; puzzle2Do you think _ life on Mars?Ait exists Bthere exists Cit is existed Dthere is existed3All possible means _. However, nothing can _ him dying of lung（肺） cancer（癌症）.Ahas tried; stop Bhave tried; keepChas been tried; prevent Dhave been tried; stop4Once he has made up his mind, no one can p_ him _ carrying out (阻止他执行) the plan. 5We usually take turns_cleaning, and today it is my turn_it.Ato do; doing Bdo; do Cdone; doing Dto do; to do111