grapes(酸葡萄)可推知，对方说我买新车是浪费钱。

6．-Mr Smith，when can I go to America?

-I've made a ________ for you on the morning flight.

A．regulation B．presentation

C．reservation D．contribution

答案　C

解析　考查名词词义辨析。根据题干中的flight可知，答者已经订好了机票。reservation预订。由句意知选C。

7．Words failed to________ my feelings the moment I saw my long­lost sister.

A．control B．convey C．exchange D．affect

答案　B

解析　句意为：当我看到失散多年的妹妹时，语言无法表达我的感情。convey传达，表达，符合句意。

8．That is one of the most challenging engineering projects they have ever________.

A．undertaken B．understood

C．focused on D．paid to

答案　A

解析　句意为：那是他们从事过的最具挑战性的工程项目之一。undertake承担，从事，符合句意。

9．Even though the conference hall is near his apartment，he has to hurry a little if he wants to be________.

A．accurate B．punctual

C．efficient D．reasonable

答案　B

解析　考查形容词词义辨析。句意为：尽管会议大厅靠近他的公寓，如果他想要守时，还是要快一点。accurate精确的；punctual准时的，守时的；efficient高效的，生效的；reasonable合理的。故选B。

10．We must ________a topic before we start to write.

A．decide between B．decide to

C．decide on D．decide against