9．He has arranged everything for his family，no expense ________.　

A．spared　 B．to spare 　C．sparing　 D．spare

解析：“他不惜任何代价为家人安排好了一切。”因为spare与expense之间是被动关系，故此处用过去分词形式，组成独立主格结构。

答案：A

8．They recognized each other at first sight，though ________ for more than 10 years.

A．being separated　 B．having separated　 C．had been separated　 D．separated

解析：though separated相当于though they had been separated。

答案：D

7．His experiments were designed to support the ideas concerning the influence ________ environment ________ plants.

A．on；in　 B．of；upon　 C．for；towards　 D．at；against

解析：influence of environment upon plants“环境对植物的影响”。

答案：B

6．________ to their delight，the voyage turned out to be ________ great success.

A．Much；不填　 B．Much；a　 C．Great；不填　 D．Great；a

解析：much/greatly to one’s delight或to one’s great delight是固定说法；success表示一件成功的事或一个成功的人时是可数名词。

答案：B

5．He also looked out for new economic species: plants ________ to produce crops that could be sold.

A．could be grown　 B．growing　 C．that could be grown　 D．to be growing

解析：plants后是定语，可用定语从句或过去分词。

答案：C

4．Australia is a very large country，whose climate varies greatly ________ on the area.

A．depended　 B．to be depended　 C．to depend　 D．depending

解析：depending on...在此是现在分词作状语，相当于according to。

答案：D

3．SARS，a terrible disease，________ in China and southeast Asia in 2003，causing many deaths.

A．broke out　 B．turned out　 C．worked out　 D．made out

解析：“灾害、疾病、战争等爆发”用break out。

答案：A

2．At weekends many westerners take a journey to the countryside or to the sea to ________ from their daily life in the city.

A．keep away　 B．take away　 C．put away　 D．get away

解析：get away from their daily life in the city躲离开城市的日常生活。

答案：D

1．In Australia there are over 140 species of snakes，________ extremely dangerous.

A．many of them are　 B．many of which　 C．of them many are　 D．of which many are

解析：此处是定语从句，故引导词要用which；of which many亦可说many of which。

答案：D

10．-How shall we go to that airport?

-Well, I recommend ________ a taxi.

A．to take　 　　B．taking 　　　C．to taking 　　D．take

解析：recommend后常接动名词作宾语。

答案：B