Unit 15We’re trying to save the manatees!SectionA1.We're trying to save the manatees. 我们正在努力拯救海牛。【要点指津】try to do sth. 意为“努力做某事”,其否定形式是在不定形式前加 not 。辨析try to do sth. 与 try doing sth.①try to do sth. 意为“努力做某事;尽力做某事”,表示想尽一切办法要把事情办成。如:We’ll try to improve our English.我们要努力提高英语。②try doing sth. 意为“尝试做某事;试着去做某事”,表示试着去做做看。如:I tried knocking at the door, but nobody answered. 我试着敲了敲门,但没有人回应。链接 try one’s best to do sth. = do one’s best to do sth. 尽某人最大的努力去做某事try on 试穿try out 试验;试用have a try 尝试一下【同步互动】D①She is trying ________ weight because she is too heavy.A. loseB. losingC. losesD. to lose解析:题意:她正在努力减肥,因为她太胖了。 try to do努力做; try doing 尝试做。② 不要害羞,尝试一下吧!③ 她尽自己最大的努力去帮助贫困儿童。She _______ ______ ______ _______ help the poor children.havea trytried/didherbesttoDon’t be shy. Just ________ ________ ________.2. They provide homes for many endangered animals andhelp to educate the public about caring for them. 它们为许多濒危动物提供住处,并帮助教育公众关爱它们。【要点指冿】care for 意为“关心;关怀;照顾”。链接 ① care for 意为“照顾”时,相当于 take care of/lookafter ;意为“关心”时,相当于 care about 。②care for 还可意为“喜欢;介意”。如:Do you care for pop music? 你喜欢流行音乐吗?【同步互动】Who is ________ the old people in the hospital?AA. caring forC. taking careB. care aboutD. look after解析: care for 意为“照顾”时,相当于 take care of/lookafter ;句中有 be 动词 is ,故应用现在进行时。复习动词的时态和语态初中阶段所学的主要时态有:一般现在时、一般过去时、一般将来时、现在进行时、过去进行时、过去将来时、现在完成时和过去完成时。而英语中的语态分为主动语态和被动语态两种。主动语态表示主语...