例九 A clean environment can help the city bid for the Olympics, which ____will promote its economic development.

   　 A. in nature B. in return

    　C. in turn D. in fact

    　答案C。考查介词短语的不同含义。in nature，本质上；in return，作为回报；in turn，反过来；in fact事实上。同上面例子一样， in加不同名词的构成短语，可以从名词词义入手掌握短语的区别。

    　例十I would like a job which pays more, but ___I enjoy the work I’m doing at the moment.

   　 A. in other words

    　B. on the other hand

    　C. for one thing

    　D. as a matter of fact

   　 答案B。考查介词短语的不同含义。in other words，换句话说；on the other hand，另一方面；for one thing，一方面，对应for another；as a matter of fact，事实上。

   　 例十一I have offered to paint the house________ a week’s accommodation.

   　 A．in exchange for

    　B．with regard to

   　 C．by means of

   　 D．in place of

    　答案A。考查介词短语的不同含义。in exchange for，作为交换；with regard to，涉及，关于；by means of，用…方式；in place of，代替，替换。

   　 例十二He got to the station early，________missing his train．

    　A．in case of

    　B．instead of

    　C．for fear of

    　D．in search of

    　答案C。考查介词短语的不同含义。in case of，万一；instead of，取而代之；for fear of，担心；in search of，寻找。特别注意本题不能选择A。in case of something用来描述在某些特定情境下，你应该做什么，特别用在官方的和正式的通知中，例如：In case of fire, break the glass. 如果失火，砸碎玻璃。

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