1. The parents of the bride _____ my presence at the wedding as we had been neighbor for years.

　　A. persisted in B. clung to C. stuck to D. insisted on

　　2. _____the rain, the air quality would not be so good.

　　A. Except for B. But for C. As for D. For all

　　3. A _______ contest is intended to eliminate less qualified competitors before decisive contests.

　　A .Fundamental B. deliberate C. preliminary D. tough

　　4. The US biodefence research is particularly controversial because of the sheer ___of the effort.

　　A. latitude B. magnitude C. gratitude D. attitude

　　5. Many argue that efforts like this will _______ the line between the North and the South.

　　A. blur B. enforce C. separate D. extend

　　答案：

　　1. D 該句意為：新娘的父母與我們是老街坊，一定要我出席婚禮。Persist in:堅持做，不停止;cling to:依附，不離開;stick to:堅持(習慣或信仰)，不放棄;insist on:堅決要求。

　　2.B 該句意為：如果不是因為這場雨，空氣質量不會這么好。Except for:除……之外;but for:如果不是……的緣故，如果不是因為……;as for:至于;for all:盡管。

　　3. 該句意為：預選賽的目的是在決賽前使水平差的競爭者出局。Fundamental:基本的，根本的;deliberate：蓄意的，故意的;preliminary：初步的，預先的;tough：難對付的，頑強的，激烈的 ( a tough game) 。

　　4.B 該句意為：由于力度過大，美國生物防御研究的爭議很大。Latitude：緯度;magnitude：強度，力度;gratitude：感激，感謝;attitude：態(tài)度。

　　5.A 該句意為：許多人爭辯說，這樣的努力將淡化北方與南方的界限。Blur:使……模糊不清;enforce：實施，執(zhí)行;extend：延伸，表示，延長。