句为真正的主语。]

7．A terrible thought suddenly ________to me-had anyone broken into the house?

　　A．struck B．occurred

　　C．knocked D．attacked

答案　B　[句意：我突然想起一个可怕的想法--有人破门而入了吗？occur to想起；strike袭击，意为"突然想到"时，后面直接加sb；knock敲；attack攻击。]

8．The two birds ________each other in shape and color，in other words，they ________each other in shape and color.

　　A．differ；are different from

　　B．differ from；are different with

　　C．resemble；are similar to

　　D．resemble；are similar with

答案　C　[正确的"不同"与"相似"的表达分别是：A differs from B或A is different from B和A is similar to B．]

9．________from the top of the tower，the Birds Nest looks more magnificent.

　　A．To see B．Seeing C．Seen D．See

答案　C　[句意：从塔顶看，鸟巢看起来更加壮丽。the Birds Nest与see之间为被动关系，故用过去分词短语作状语。]

10．To the manager's joy，he is a(n) ________young employee.

　　A．stubborn B．ambitious C．disappointing D．subjective

答案　B　[句意：令经理高兴的是，他是一位有雄心壮志的年轻雇员。ambitious有雄心的；stubborn顽固的；disappointing令人失望的；subjective主观的。]

11．The shepherd had to round up the sheep ________first night fell.

　　A．until B．before C．after D．till

　　答案　B　[before引导的时间状语从句，符合题意。]

12．The pyramid ________how many years ago，do you know?

　　A．dated back to B．dated from

　　C．dates back D．dates back to

答案　D　[句意：你知道金字塔追溯到多少年前吗？date from/date back to常指"以现在为起点"往前推，故在句中作谓语时，常用一般现在时，且无被动语态。]