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    托福作文句子的開頭可以采用以下的任何一種方式：
    1. 用副詞開頭，常見的情形有：
    (1) 副詞修飾全句
    Luckily, he didn’t know my phone number; otherwise, he would bother me.
    Incredibly, Helena got straight A in her school report this semester.
    Interestingly, cats and dogs can hardly get along well in a house.
    修飾全句常用的副詞有：
    obviously undoubtedly
    apparently fortunately
    clearly unfortunately
    incredibly luckily
    unluckily surprisingly
    frighteningly
    這些副詞大多數(shù)表示說話人對全句的看法，在意思上相等與 “It is ... 形容詞that ...” 。 e.g:
    Obviously, he is nervous about the test. =It is obvious that he is nervous about the test.
    Unfortunately, he tripped over and fell in the mud. =It is unfortunate that he tripped over and fell in the mud.
    (2) 強(qiáng)調(diào)副詞
    Hurriedly, the man drew me a scratch map to show me the direction.
    Dangerously, the drunkard sped down the street.
    Slowly and gently, snowflakes were drifting down from the sky.
    (3) 副詞表示某一地域或某一領(lǐng)域
    Geographically, Canada is the biggest country in the world.
    Financially, she is independent, but emotionally she is dependent.
    2. 用插入語開頭，表示說話人的態(tài)度，或使句子的意思更加準(zhǔn)確：
    Strangely enough, Jennifer does not enjoy sunshine and beach.
    Generally speaking, winter in Vancouver is gloomy.
    類似的插入語有：
    no wonder no doubt
    in other words in my opinion
    in conclusion in fact
    as a matter of fact
    3. 用形容詞、并列形容詞或形容詞短語開頭，修飾句子的主語，表示主語的特征或狀態(tài)：
    Frantic, the young mother rushed out the door with the baby in her arms.
    Tasty and crisp, potato chip are a favorite snack for both children and adults.
    Happy at his good marks at school, the little boy skipped on his way home.
    Desperate and hopeless, the poor man committed suicide.
    4. 用分詞、分詞短語開頭：
    (a) 修飾句子主語，表示主語所處的狀態(tài)或主語同時進(jìn)行的另一個較謂語動詞次要的動作：
    Scared, the girl moved timidly and cautiously into the dark room.( 狀態(tài))
    Chased by my dear pet cat, the mouse dashed into a small hole.( 狀態(tài) )
    Spoiled by his parents, the naughty boy always insists on things he wants.( 狀態(tài))
    Puffing and hugging, he finished his run.( 另一動作)
    Looking at herself in the mirror, she fingered her silk scarf on her shoulder.( 另一動作)
    (b) 修飾謂語動詞，表示原因、時間等
    Lying down on the couch, he felt much relaxed.( 時間)
    Feeling bored, she turned on the TV and switched from channel to channel.( 原因)
    Wanting to find out the business hour, she called the store.( 原因)
    Having completed the form, he mailed it out immediately.( 時間)
    5. 用介詞短語開頭，表示句子謂語動詞發(fā)生的時間、地點(diǎn)、方式、原因、條件等：
    On seeing him approach, the girl immediately turned her face to a shop window
    pretending to look at something there.( 時間)
    Around the corner, a crowd gathered.( 地點(diǎn))
    Unlike his father, Peter touches neither cigarettes nor alcohol.( 方式)
    Due to the limit of seats, he was not accepted.( 原因)
    In case of fire, use the stairways.( 條件)