【正文】 親。managed to help設法去救，表示做到了某事；tried to help努力去救，不知道結(jié)果如何；succeeded to help形式錯誤；tried helping試圖去救，不知道結(jié)果。根據(jù)題意，故選B。A. buying買，現(xiàn)在分詞；B. to buy買，動詞不定式；C. bought買，過去式；D. buy買，原形?？疾楣潭ň湫虸t’s +形容詞+for sb. to do sth.：做某事對于某人來說是什么樣子的；live：居住，不及物動詞，住在某個地方是live in；故選B。根據(jù)題干可知，這里是用to引導的不定式短語來表目的，故選B。9．B解析：B【詳解】句意：科學家應該做些什么來防止這種病毒擴散到更廣泛的地區(qū)。考查不定式。8．B解析：B【詳解】句意：——桑迪，你的手機響了?？疾榉侵^語。7．C解析：C【詳解】句意：——我決定努力學習英語。其基本結(jié)構(gòu)為“動詞+it+賓語補足語+不定式（動名詞或從句）”。本句是固定句型“動詞+it+賓語補足語+不定式（動名詞或從句）”結(jié)構(gòu)，it用作形式賓語，后面的不定式（動名詞或從句）是真正賓語；根據(jù)句意結(jié)構(gòu)，可知選A。考查代詞辨析。本句是用不定式表目的，故選C?！军c睛】本句enjoy（喜歡）是個起誤導作用的單詞。relax放松，relaxing是動名詞形式；to relax是不定式結(jié)構(gòu)；to relaxing是錯誤表達。5．C解析：C【詳解】句意：我們的老師總是選擇她喜歡的古典歌曲讓我們在課間放松。4．D解析：D【詳解】句意：保羅做了一個漂亮的籠子養(yǎng)鳥，一直到它可以飛為止。固定搭配：make it difficult for sb. to do sth.“做某事對于某人來說是很難的”，it是形式賓語，真正的賓語是動詞不定式。3．B解析：B【詳解】句意：父親去世的悲傷使她很難完成學業(yè)。such修飾名詞，其后緊跟冠詞；過去分詞作賓語補足語，和賓語myself存在被動關系。2．C解析：C【詳解】句意：——為什么你那么大聲說話？——因為我想讓自己聽清楚。s take good care of these trees we plant and wait for them to grow up.A．Plants B．Planted C．Plant D．Planting58．People are advised to avoid ________ their eyes, nose and mouth with unwashed hands.A．touch B．touched C．touching D．to touch59．_______ up sales, many international panies plan to set up online shops.A．Push B．To push C．Pushing D．Having pushed60．Sue practices______the violin hard and often gives wonderful performances.A．play B．played C．to play D．playing【參考答案】一、選擇題1．C解析：C【解析】句意：——商店里有這么多種Mp5，我們決定不了要買哪一個。 attending55．________ fun my family had ________ a vacation in Sanya last summer vacation!A．How, taking B．What, taken C．What, taking D．How, taken56．— Would you mind ________ in the hall?—Of course not.A．smoked B．don39。 attending C．watching。 reading53．You’d better give up smoking at once.A．start smoking B．start to smoke C．stop smoking D．stop to smoke54．—Did everyone attend the concert last night? —No, Emily preferred ________ TV at home to ________ the concert.A．to watch。 reading C．spends。 than52．My father often ________ 15 minutes ________ newspaper every night.A．spend。 in C．reading。 to caring50．—Tom, have you ever read the book A Take of Two Cities written by Charles Dickens?—Yes, I finished ________ it last summer vacation.A．read B．reading C．to read D．reads51．My brother would rather spend time _________ in the library _________ talk with friends on WeChat.A．read。 to care C．of。48．（題文）The manager is used to _____________the puter to check s every morning.A．turn on B．turning on C．turn off D．turning off49．It is selfless ______ the doctor to devote all the time he had ________ for the patients.I think so, they are so great.A．for。 to talk D．so。 to talk B．too。 don39。 don39。 needn39。 needn39。 sleepingC．sleep。 Nothing40．Nowadays students have more time to practice ________ English after class.A．speak B．spoke C．speaking D．to speak41．— Doctor! I can’t fall at night.— Don’t worry! You are too stressed. Just be relaxed and take some pills, then you’ll be better.A．sleepy。 None C．solving。 didn’t use to39．—How much difficulty did you have ________ this problem?—________. It’s quite easy.A．to solve。 aren’t used toC．not moving。 will call later.”A．say B．says C．to say D．saying35．Lily’s parents always encourage her ____out her opinions.A．speak B．speaking C．to speak D．spoken36．The rubbish ________ every day is being a serious problem in cities around the world.A．produce B．produced C．producer D．producing37．Your hair is too long. You’d better _____.A．have it cut B．have cu