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ed adj. 平衡的a balanced diet 均衡飲食[圖形助記]①When he was running after his brother,the boy lost his balance and had a bad ,他失去了平衡,狠狠地摔了一跤。②You have to balance the advantages of living downtown against the disadvantages.你必須權(quán)衡住在市中心的利弊。③To live a long and healthy life, we must learn to have a balanced(balance) ,我們必須懂得均衡飲食。 go ahead(表示許可)開始,說吧,做吧; 繼續(xù)……吧;先走一步, 先請(教材P48)Go ahead! means Begin! “Go ahead!” 的意思是開始! 寫出下列句中g(shù)o ahead的含義①—May I turn on the light?—Go ahead. 可以;開吧②—Don39。t interrupt me while I39。m explaining the problems to you.—All right, go ahead. 繼續(xù)③You go ahead and tell him that I39。m ing.先走;先行一步go on 繼續(xù)go over 檢查; 復(fù)習(xí)go out (燈)熄滅go up 上漲; 上升go through 經(jīng)歷; 仔細(xì)檢查; 完成; 用完④He would go over his work again and again until he felt he had it right.他會反復(fù)檢查自己的工作直到他認(rèn)為正確為止。⑤After months of efforts the work finally went through.經(jīng)過數(shù)月的努力, 工作終于完成了。 used to過去經(jīng)常, 以前常常(教材P49)I never used to enjoy science, but last year I changed schools, and the science teachers at my new school are , 但是去年我轉(zhuǎn)學(xué)了, 我的新學(xué)校的理科老師很優(yōu)秀。(1)There used to be 過去曾有(2)be/get used to (doing) sth. 習(xí)慣(做)某事be used to do sth. 被用來做……①I used to get up early and take an hour39。s walk before breakfast.我過去常常早起并且在早餐前散步一小時。②There used to be (be)a big and beautiful garden at the back of their house.以前在他們房子的后面有一個美麗的大花園。③I39。m used to living(live) in the room which was used to keep(keep) books and magazines last year.我習(xí)慣住在去年那個被用來存放書籍和雜志的房間里。[名師點津] used to和would二者均含有過去常做某事的意義, used to表示過去經(jīng)常發(fā)生的動作或存在的狀態(tài), 強調(diào)現(xiàn)在不那樣了, 而would單純指過去常做某事, 不含與現(xiàn)在比較的意思。 be proud of... 為……感到驕傲/自豪(教材P49)The Nobel Prize is the highest scientific prize there is, so we should be very proud of that.諾貝爾獎是目前科學(xué)方面的最高獎,因此我們?yōu)榇烁械津湴痢?1)be proud that 以……而驕傲/自豪be proud to do st