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磷脂、糖脂和固醇是构成生物膜的重要成分。
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Complete the sentences with words from the given paragraphs. Change the form where necessary. The first letter of each word is given.5. Sidney returned to his hometown where he r________ hiseducation. (Para.8)6. The film tells of an engineer who has chosen to spare noting in p________ of his dream. (Para.10)7. The health organization can offer community members the opportunity to o________information necessary and explore choices in making difficult health care decisions.(Para.15)8. Many people will choose to d________ this idea completely, while others may be more open-minded and accept it. (Para.16)
Complete the sentences with the expressions below. Change the form when necessary.leaf throughhave no ideaa variety ofput ... in touch with believe ingo throughbe lost inif it wasn’t / weren’t for sb. / sth.1. You’ll ____________ difficult times, and suffer, and learn.2. I ____________ being strong when everything seems to be going wrong.3. I _____________ the pages of the test paper and smiled to myself because the questions seemed familiar to me.4. This old building could have been pulled down _________________some collectors choosing it to be their private storage.5. They ____________ what they were about to face at this great turning point in their career.6. Would you please _______ me ____________ Professor Johnson from the career planning office in the university.7. Bothered by the dilemma of his career, Mark ___________thought and didn’t hear the knock on the door.8. Cars, phones, jobs, products, lifestyles – at no other point in human history have there been such ______________ choices.
Complete the sentences by choosing suitable words below to collocate with the italicized words.translateleanneedpursuit1. Despite losing the game, she chose to ________ over and hug her rival before leaving the tennis court.2. When I asked for his opinion, he mumbled something which I ________ asagreement.3.Those who are most promising in their ___________ of arts often choose to study in France, a place of romance and art.4. Kev _________ against the table where he sat, elbows propped, lost in thought about where to travel on Christmas days.5. Some countries have taken a new attitude toward immigration since their economy is much in ________ of more productive young men.6. It stands to reason that more attention will __________ into greater learning.7. They all talked about the _______ for a change in their attitudes and habits if they wanted to achieve greater success.8. There’s sufficient evidence that the ______ of wealth sometimes leads smart people to make wrong decisions and do stupid things.
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