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_ pollution. A. for B. by C. against D. in ( ) 24. I’m going to the library today. I need some ______ about trees. A. information B. informations C. advice D. news ( ) 25. I can’t imagine a world _______ water. A. with B. without C. and D. have ( ) 26. Be quiet! The students _______ a class now. A. have B. had C. are having D. has ( ) 27. We ________ oxygen _______ the air and release ( 釋放 ) CO2 into the air. A. take in 。 How are you feeling today? ( How do you feel today?你今天感覺(jué)如何? Why are you looking( do you look) so sad? 為什么你看起來(lái)這么愁眉苦臉的樣子呢? 結(jié)構(gòu): be(am/is/are)+動(dòng)詞 ing(現(xiàn)在分詞 ) 1)肯定句:主語(yǔ) + be + ving. + 其他 . 如: The children are playing in the park. 2) 否定句:主語(yǔ) + be + not + ving. + 其他 . 如: I am not talking to you. 3)一般疑問(wèn)句: Be +主語(yǔ) + ving.+其它 ? 如: Are you talking to me? 4)特殊疑問(wèn)句:特殊疑問(wèn)詞 +一般疑問(wèn)句 ? 如: Who are you talking to? 動(dòng)詞 ing 現(xiàn)在分詞的變化規(guī)則 1) 直接加 ing: do doing play playing cry crying fly flying go going 2)雙寫(xiě)最后一個(gè)輔音字母,再加 ing: run running, get getting, let letting, begin beginning, putputting, sitsitting, swim swimming, cut cutting , shop shopping , plan planning . 3)去掉最后一個(gè)不發(fā)音的 e,再加 ing: dance dancing, wake waking , take taking, practice practicing , write writing , have having 4) 改 ie 為 y,再加 ing : die(死亡 )—dying, tie(系) — tying lie(說(shuō)謊) lying 【注意】表狀態(tài)、感覺(jué)、情緒、精神活動(dòng)的動(dòng)詞不可用于進(jìn)行時(shí)如: believe(相信), doubt(懷疑), hear, know, understand, belong(屬于), think(認(rèn)為), look(看起來(lái)), show, mind, have, sound(聽(tīng)起來(lái)), taste(嘗起來(lái)),care, like, hate, love, 例如: Danny: The doorbell is ringing. May: I know. I hear it. 【信息詞】 look, liste, now, Unit_4_save_the_trees_單元綜合測(cè)試 一、詞匯 (共 20 小題,每小題 1 分;滿分 20 分) A)選擇并抄寫(xiě)單詞。 5)有的現(xiàn)在進(jìn)行時(shí)句子和一般現(xiàn)在時(shí)同義。s always quarreling with others. 他老喜歡跟別人吵架。 4)現(xiàn)在進(jìn)行時(shí) 與 always 等副詞連用時(shí)帶有感情色彩。 這類(lèi)情況常與 e 來(lái), go 去, leave 離開(kāi), depart 離開(kāi), arrive 到達(dá), stay 逗留,start 開(kāi)始等動(dòng)詞連用。 這類(lèi)情況常與 today 今天, this week 這個(gè)星期, this evening 今天晚上, these days 目前等時(shí)間狀語(yǔ)連用。 2)表示現(xiàn)階段正在進(jìn)行而說(shuō)話時(shí)不一定在進(jìn)行的動(dòng)作。 Look! They are reading over there under the tree. 看,他們?cè)谀沁叺臉?shù)底下看書(shū)。m writing a position. 不要吵鬧。 Please don39。 Eg: You cannot leave until your work is finished. 四、 語(yǔ)法:現(xiàn)在進(jìn)行時(shí) ( be doing ) 現(xiàn)在進(jìn)行時(shí)的語(yǔ)法功能 1)表示說(shuō)話時(shí)正在進(jìn)行或發(fā)生的動(dòng)作。 Eg:The number of the students in our class is 50. 【拓展】 The number of……的數(shù)量 后接復(fù)數(shù)名詞,但謂語(yǔ)動(dòng)詞要用單數(shù)形式 常跟 large, small 等詞作表語(yǔ) The number of the students in our school is 2021. A number of 大量;許多,相當(dāng)于 many 接復(fù)數(shù)名詞作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式 Number 前可加 small,large, huge 等表示程度 A number of students are playing football. 7....but the speaker did not stop speaking until twenty past twelve. Not... Until...意為 “直到 …… 才 ……” 。賓語(yǔ)可以是名詞、代詞或動(dòng)名詞。 → 【拓展】: hundreds of 數(shù)以百計(jì)的 ,成千上萬(wàn)的; thousands of 數(shù)以千記的,成千上萬(wàn)的; tens of thousands of 數(shù)以萬(wàn)計(jì)的; hundreds of thousands of 數(shù)以十萬(wàn)記的 注意: hundred, thousand, million, billion 等前面有具體的數(shù)詞時(shí),其后不加 s,也不帶介詞 of。 millions of 意為 “數(shù)以百萬(wàn)計(jì);大量的 ”。 Paper is usually made from wood. 紙通常由木頭制成。 (be) made of(看得出原材料 )=(be) made from(看不出原材料 )意為 “由 ...制成 ”。 Eg: I have a pen, a pencil and two books. 用在表示時(shí)間、 重量、速度、價(jià)格等名詞前,意為 “每一 ”。d better go to see a doctor. 表示某一類(lèi)中的任何一個(gè),是泛指。其用法如下: