mother was a witch，both of whom were murdered by an evil wizard—the same wizard who gave Harry the scar.
1．representative n．代表；典型人物 adj.典型的；有代表性的 (1)a representative of 是……的代表；代表着…… be representative of 代表着……；是……的代表 (2)represent v．代表；描绘 represent...as/to be 把……描绘成；宣称……为……
represent sth.to sb.向某人说明某事，向某人传达某事 represent oneself to be/as...自称是……
be a representative of the UN是一名联合国代表
be representative of his work of the period是他在那个时期的代表作 be represented as a king in the play在剧中的形象是一个国王
represent their concerns to the authorities向当局陈述他们关心的问题
[基础练习]——单句语法填空
①The mansion is quite representative of Spanish art.
②Representing(represent) our school，I'm glad to tell you something about these activities.
③The committee includes representatives(representative) from industry. [能力提升]——一句多译
昨天，我和另一个同学代表我们大学的学生会，到首都国际机场迎接今年的国际学生。 ①Yesterday，another_student_and_I，representing__our_university's_student _union，went_to_the_Capital_International_Airport_to_meet_this_year's_ international_students.(represent)
②Yesterday，another_student_and_I，on_behalf_of__our_university's_student_ union，
went_to_the_Capital_International_Airport_to_meet_this_year's_international
_students.(on behalf of)
2．expose vt.使接触，使体验，使面临；暴露，显露，揭露 (1)expose...to...把……暴露在……，使……接触…… expose sth.to sb.向某人揭发某事
(2)exposed adj.(指地方)无遮蔽的；不遮挡风雨的 be exposed to接触……，暴露于……中 (3)exposure n．暴露 exposure to面临，遭受
expose his fears and in security to us向我们显露他的恐惧和不安
expose the kids to as much art and culture as possible让孩子们尽量受到艺术和文化熏陶
be exposed to the strong sunlight暴露在强烈的阳光下 exposure to harmful radiation遭受有害辐射
[基础练习]——单句语法填空
①It is generally believed that being_exposed(expose) to radiation is rather dangerous.
②After only a short exposure(expose) to sunlight his face began to turn red. ③Parents and teachers should expose children to good art and music. ④As a photographer in the war，she was often exposed (expose) to the wind and rain.
[能力提升]——一句多译
如果年轻人每天都处于嘈杂的音乐中，他们很可能有变聋的危险。
①Young people may risk going deaf if_they_are_exposed_to_very_loud_music_ every_day.(if引导的条件句)
②If_exposed_to_very_loud_music_every_day，young people may risk going deaf.(省略句)
[名师点津] expose...to...和be exposed to中的to是介词，其后接名词、代词或动名词作宾语。
3．contradict vt.&vi.驳斥，反驳；与……相矛盾，相反 (1)contradict oneself自相矛盾
(2)contradictory adj.相互矛盾的，对立的，不一致的 be contradictory to与……相矛盾/对立
(3)contradiction n．矛盾，反驳
in contradiction to/with...与……相矛盾/对立
contradict yourself自相矛盾
be contradictory to what I said与我所说的相对立 be in contradiction to his lifestyle与他的生活方式相反
[基础练习]——单句语法填空
①Social harmony and competition are not contradictory(contradict) concepts— the former reflects the morality of a person and the latter shows his or her capability.
②Economic development is both consistent with and contradictory to environment.
③His public speeches are in direct contradiction to/with his personal lifestyle.
[能力提升]——一句多译 她所说的与她的实际行动相对立。
①What_she_said_contradicted__her_real_actions.(contradict)
②What_she_said_was_contradictory_to_her_real_actions.(contradictory) ③What_she_said_was_in_contradiction_to/with_her_real_actions.(contradiction)
4．preference n．偏爱，偏好
(1)have/show a preference for更喜欢/偏爱…… give(a) preference to给……以优惠/优待 develop a preference for养成对……的偏爱 in preference to优先于，而不是 (2)prefer v．更喜欢
give preference to graduates of this university优先考虑这所大学的毕业生 have a preference for painting更喜欢画画 in preference to her sister优先于她妹妹
[基础练习]——单句语法填空
①People develop a preference for a particular style of learning at an early
age and these preferences affect learning.
②When it comes to fruit，I would usually choose apples in preference to pears. ③Parents may be able to express a preference (prefer) as to the school their child will attend.
④It often is preferred (prefer) by those who want an English version that reflects the grammar of the original.
[能力提升]——词汇升级
(普通表达)In recent years there are more and more people who prefer fast food. (高级表达)In recent years，there are more and more people who have/show_a_preference_for fast food.(preference)
5．disappoint vt.使失望；使扫兴 (1)disappointed adj.感到失望的
be disappointed to do sth.因做某事而失望
be/feel disappointed at/about/with...对……感到失望 disappointing adj.令人失望的 (2)disappointment n．失望
(much)to one's disappointment＝to one's (great) disappointment使某人(非常)失望的是
be disappointed at the result of the game对比赛结果很失望 be disappointed with myself对我自己感到很失望 be disappointed to see the result看到结果很失望 a disappointing performance一场令人失望的演出
[基础练习]——单句语法填空
①The news that you told me yesterday was really disappointing(disappoint)． ②Whenever he didn't perform well in his studies，his mother would blame him bitterly，expressing her disappointment(disappoint)．
③We were all disappointed to_learn(learn) that the picnic had been cancelled. [能力提升]——一句多译
使我们大失所望的是野餐那天下起雨来了。
①To_our_great_disappointment，it_rained_on_the_day_of_the_picnic.(great) ②Much_to_our_disappointment，it_rained_on_the_day_of_the_picnic.(much) 6．in defence of 为……辩护；防卫
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