答案　B　[A项意思是"换句话说"；B项意思是"另一方面"；C项的意思是"一方面"；D项的意思是"事实上"。根据题意，B项正确。]

7．Over years，scientists have made a great________in the treatment of cancer.

　　A．break­in B．breakthrough

　　C．break­up D．breakdown

答案　B　[考查单词意思辨析。A项"非法进入，闯入"；B项"突破"；C项"破裂"；D项"失败，损坏"。根据句意"在过去的几年里，科学家在癌症的治疗上已经取得了重大突破"。故答案为B。]

8．My sister was against my suggestion while my brother was ________it.

A．in favour of B．in memory of

C．in honour of D．in search of

答案　A　[in favour of意为"赞成，同意"；in memory of意为"纪念"；in honour of意为"向......表示敬意"；in search of意为"寻找"。从was against(反对)判断空格处要填in favour of表示对比。]

9．All the money he had was ________，so he had to make a living by begging.

A．used up B．taken up

C．stayed up D．brought up

答案　A　[A项意思是"用完，用光"；B项意思是"占据，从事"；C项意思是"熬夜，挺立"；D项的意思是"抚养，培养"。根据题意选A。句意"他所有的钱都用光了，所以他只好靠乞讨为生"。]

10．-Did you take part in Mary's birthday party last Friday?

-I had ________to，but one of my classmates called on me.

A．admitted B．intended

C．agreed D．promised

答案　B　[intend打算，用于过去完成时，意为"本来计划/打算(做某事)"，符合句意。admit接受，录取，承认；agree同意，赞成；promise许诺，保证。答句句意"我本来打算去参加玛丽的生日聚会，但是我的一个同学来看我了"。]

11．On April 25th,2007，thousands of Russians went to say farewell to Boris

Yeltsin-the country's first popularly ________leader.

A．electing B．elected C．to elect D．elect

答案　B　[elect与被修饰的名词leader之间是被动关系，所以用过去分词作定语。]

12．-Shall we have a talk with her and try to persuade her not to see a movie tonight?

-There is no ________talking to her.She never listens.

A．good B．value C．point D．worth