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  • 高二册第六单元疑难点击_高二英语教案

    教案作者:佚名   教案来源:不详   教案栏目:高二英语教案    收藏本页
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    作者:吴安运

    1. To ensure safety, the train is controlled by an advanced computer system.
    ensure用作动词,意思是\"确保;担保\",常用于以下句型:
    ①ensure that... 保证......
    I tried to ensure that everybody understood the instructions. 我设法确保每个人都明白这个说明。
    I can\'t ensure that he will arrive there in time. 我不能保证他及时赶到那儿。
    ②ensure sb. sth. 确保某人某事/物
    This medicine will ensure you a good sleep. 这药会确保你睡个好觉。
    2. It will not be business as usual in the future.
    as usual 意思是\"像往常一样;一如往常\"。
    As usual, there weren\'t many people at the meeting. 像往常一样,来开会的人不多。
    Yesterday morning she came into the classroom as usual. 昨天早上她像往常一样进入教室。
    usually为副词,也有\"通常;往常\"的意思,常放在be后、情态动词或助动词与动词之间,为加强语气也可置于句首。
    You don\'t usually arrive late, do you? 你通常不迟到的,是吗?
    Usually she gets up very early. 通常她起得很早。
    3. They are careful about what they eat and exercise regularly.
    be careful意思是\"注意;当心\",常用于以下句型:
    ①be careful to do sth.
    Be careful not to be late for class. 小心上课不要晚了。
    ②be careful (that)...
    Be careful that you are not late for class. 注意上课不要迟到。
    ③be careful about / of (=take care of)
    Be careful of your health. 注意你的身体。
    ④be careful (in) doing sth.
    Be careful (in) crossing the road. 过马路时要小心。
    ⑤be careful with sth.
    Be careful with your work. 工作要认真。
    4. Advances in medical science have also allowed us to deal with new diseases, such as SARS.
    deal在句中可用作及物动词或不及物动词:
    ①用作不及物动词,常与with连用,意思是\"对付;处理\"。
    He seemed to be quick-tempered,
    but was actually not difficult to deal with. 他似乎性子急躁,但实际上并不难相处。
    He knows how to deal with children. 他知道怎样对付孩子。
    ②用作及物动词,意思是\"分配;给予\"等。
    I tried to deal justice to all men. 我力求公正地对待所有的人。

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