Exercise：

　　Choose the most appropriate choice for each italicized word in the following sentences.

　　1.Bidding them adieu we departed.

　　[A] goodbye [B] curse [C] blessing [D] disguise

　　2.The government appointed an ad hoc committee to deal with the emergency.

　　[A] on purpose [B] unintentionally [C] for a particular purpose only [D] randomly

　　3.Late again, Richard? What's your alibi this time?

　　[A] explanation [B] excuse [C] complaint [D] indignation

　　4.Sarah used to work as an ambassdor's attache.

　　[A] member of a staff with a particular responsibility

　　[B] leader of a special committee

　　[C] secret agent working for a special agency

　　[D] guardian of morals

　　5.Your statement They have been walking all day long and they must be hungry may be a priori one because they may well not feel hungry in the least.

　　[A] reasonable [B] false [C] presupposed [D] irrational

　　6.It''s a pity that his ten-year-old child is still unable to speak.He may be suffering from aphasia.

　　[A]grievance [B] loss of speech [C] loss of hearing [D] failure to communicate

　　7.At the end of the prayer the choir sang the amens beautifully.

　　[A]may it be so [B]whatever it may come [C] believe it or not [D] rain or shine

　　8.The returning alumni visited Beijing University from which they graduated 30 years ago.

　　[A] male former graduates [B] female former graduates

　　[C]former actors [D] former actresses

　　9.I will never forget my Alma Mater where I spent four golden years of my college life.

　　[A] hometown [B] college [C] church [D] motherland

　　10.Could you check the almanac on the wall to confirm what date today is?

　　[A] calendar [B] newspaper [C] periodical [D] clock

　　11.They got the information from the affiche on the wall.

　　[A] poster [B] bulletin [C] gallows [D] platform

　　12.Before the court opens a witness usually swears an affidavit.

　　[A]promise [B] written statement [C] will [D] compromise

　　13.The speaker made it a point to keep his speech ad rem.

　　[A] to the point [B] far from the point [C] beside the point [D]incorrectly

　　14.I had forgotten to bring my notes and had to speak ad lib.

　　[A] with preparation [B] with ease [C]without preparation [D] willingly

　　15.It is a secret kept only a deux the two girls.

　　[A] between [B] among [C] during [D] conerning

　　16.I am starved to death.Could you tell me where the buffet is located on the train?

　　[A]food counter [B] shop [C] market [D] bank

　　17.Take no notice of his threats——they are sheer bravado.

　　[A] timidity [B] false boldness [C] courage [D] capability

　　18.The Renaissance first started in Italy and then spread to other parts of Europe.

　　[A] rebirth [B] death [C] literary [D] agrarian

　　19.The bourgeoise is the mainstream of Uropean countries.

　　[A] upper class [B] lower class [C

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