59．She had a guilty________ about not telling the police what had actually happened.

　　　 A．consciousness 　　 B．conscience 　　　 C．consequence 　　　 D．confusion

58．His composition was so confusing that I could hardly make any ________of it what’s over.

　　　 A．meaning　　　　　　　　 B．message 　　　　　 C． information　　　　 D．sense

57．答案：D．考查名詞辨析與搭配。at the mercy of任憑…的擺布，完全受…的支配；at(或in)sb’s disposal任某人處理，供某人使用：I had no time at my own disposal. 我沒(méi)有一點(diǎn)自由支配時(shí)間。at the risk of冒…的風(fēng)險(xiǎn)；at the cost of以…為代價(jià)。句意為：沒(méi)有穩(wěn)定的水源供應(yīng)，那個(gè)地區(qū)的農(nóng)業(yè)依然靠天吃飯。

57．Without a sure supply of water, farming in that area remains at the _______of the weather.

　　　 A．disposal　　　　　　　　 B．risk 　　　　　　　　 C．cost　　　　　　　　　　 D．mercy

56.C　　 size(服裝等的)號(hào)碼；pattern式樣，圖樣；measure測(cè)量，尺寸。

56. I should like to try that coat on, but I don t know if it is my ____.

A. length　 B. measure C.size　 D. pattern

55.B　　 value(物品本身的)價(jià)值，價(jià)格；price定價(jià)，價(jià)格；cost成本，費(fèi)用。

55. The house was sold for $60,000, which was far more than its real ____.

A. cost　 B. value　 C. price　 D. money

54.D　　 四個(gè)選項(xiàng)中只有scores of能修飾復(fù)數(shù)名詞。many a修飾單數(shù)名詞。

54. Every year, ____ graduates take pan in TOEFL for further education abroad.

A. too much B. several scores　 C. many a　 D. scores of