為大家整理的八年級英語上冊7-9單元知識點的文章，供大家學習參考！更多最新信息請點擊初二考試網
    一．重點短語：
    1.turn on/ off /up/ down 2.cut up 3.mix up4.pour…into… 5.add… to… 6.hang out 7.watch a dolphin show 8.at the end of 9.take a class/ have a class 10.sleep late 11.go for a drive 12.on my next off 13.in my opinion 14.in the future 15.free time 16.be born 17.ice skating18.a piece of music 19.win first prize 20.major in 21.one teaspoon of 22.a slice of 23.take a photo/photos 24.get one’s autograph 25.have a yard sale26.get wet 27.have a party 28.at the age of 29.because of 30.at the same time
    二．考點歸納：
    考點1.finally的同義詞組：
    finally = at last = in the end
    Finally he came up with an idea .=
    _____ _____ he came up with an idea .=
    _____ ____ _____ he came up with an idea.
    考點2.turn on / open的區(qū)別：
    1.turn on ：指打開水流，煤氣，電燈，電視，收音機等電器的開關。
    2.open：指關著的門，窗，箱子打開。
    Please _____ the door.
    The boy _____ the computer to play games last night .
    考點3.into/ in的區(qū)別：
    1.into表示“到……里面去”，進入到……某空間里。屬于動態(tài)介詞。
    2.in表示“在……里面”，在某一空間或范圍之內。屬于靜態(tài)介詞。
    There is nothing _____ the blender .
    He put his books ______his backpack and left.
    考點4.too…to…的同義句：
    too…to…= not…enough to … = so…that…
    He is so young that he can’t go to school .=
    He isn’t _____ ____ to go school .=
    He is _____ young _____ go to school .
    The box is too heavy for us to carry .
    The box isn’t _____ _____ to carry =
    The box is ____ heavy ____ we ____ carryit .
    考點5.called的同義句：
    called = named = with the name (of)
    Do you know the girl called Kate ?=
    Do you know the girl ______Kate ?=
    Do you know the girl _____ _____ _____ (of)Kate ?
    考點6.see sb do sth、see sb doing sth的區(qū)別
    1.see sb do sth :看見某人做了某事
    2.see sb doing sth .看見某人正在做某事
    The teacher saw the students _______(read) English when he came in .
    Look!Can you see the girl _____(dance) under the tree ?
    注：類似的動詞有：hear ,watch ,notice 等。省to的不定式變被動語態(tài)時，需帶上to
    I often notice him go home alone .------
    He is noticed _____ _____ home alone.
    考點7.at the age of的同義句：
    at the age of = when sb was/ were ….
    He began to learn English when he was four.=
    He began to learn English ____ ____ ____ ______ four.