21.The suspect ______ that he had not been in the neighbourhood at the time of the crime. A) advocated B) alleged C) addressed D) announced 22.Although the colonists ______ to some extent with the native Americans , the Indians' influence on American culture and language was not extensive. A) migrated B) matched C) mingled D) melted 23.E-mail is a convenient, highly democratic informal medium for conveying messages that _______ well to human needs. A) adheres B) reflects C) conforms D) satisfies 24.The wings of the bird still ______ after it had been shot down. A) slapped B) scratched C) flapped D) fluctuated 25.The disagreement over trade restrictions could seriously ?______ relations between the two countries. A) tumble B) jeopardize C) manipulate D) intimidate 21.B 參考譯文：犯罪嫌疑人聲稱案發(fā)時(shí)他不在附近。 A) advocate 提倡 B) allege 聲稱 C) address 發(fā)表演講 D) announce 宣布 22.C 參考譯文：雖然殖民者與美洲土著人在某種程度上互相融合，但是印第安人對(duì)美國(guó)文化和語(yǔ)言的影響并不廣泛。 A) migrate 遷徙 B) match 使...匹配 C) mingle 混雜 D) melt 溶化 23.C 參考譯文：電子郵件是一種便捷而又高度民主的非正式媒介，它傳遞信息，符合人類的需要。 A) adhere 遵守 B) reflect 反映 C) conform 遵循 D) satisfy 滿足 24.C 參考譯文：鳥(niǎo)兒被打下來(lái)后仍然拍打著翅膀。 A) slap 摑耳光 B) scratch 抓，搔 C) flap 振動(dòng)翅膀 D) fluctuate 波動(dòng) 25.B 參考譯文：貿(mào)易限制方面存在的意見(jiàn)分歧會(huì)嚴(yán)重危及兩國(guó)的關(guān)系。 A) tumble 跌倒 B) jeopardize 危害 C) manipulate 控制 D) intimidate 威嚇