198. But if two or three candidates are up for a promotion，each of whom has reasonably similar ability, a manager is going to promote the person he or she likes best.

英语四级译文:
但是,如果有两三个人都是升职的考虑对象，而且每个人的能力相差无几，那么经理就会提拔他或她最喜欢的那个人。

四级词汇讲解:
本句的主干是a manager is going to promote the person。if引导条件状语从句，其中whom引导的定语从句修饰candidates。

candidate意为“候选人”。如:
She had been nominated as candidate for the presidency.她已被提名为总统候选人。

reasonably意为“适度地;相当地”。如:
Generally speaking, she behaved very reasonably.总体看来，她举止极为得体。

英语四级考点归纳:
up一词含义丰富，包括:

※ 作副词，意为“向上;到(较高的地方，北方)”。如:
1) She is going up to Oxford in October.她在10月份要上牛津大学。
2) His home is up in the North.他的家在北方。

此外，up也表示“向目的地”或“向说话人所在地”。如:
The bus conductor came up to me.公共汽车售票员朝着我走过来。
※ 作介词，意为“向上”。如:
They sailed up the river.他们向河的上游驶去。