343.The temperature in London hit 21°C yesterday,______ for this time of year,while the normal figure is around 14°C.
A.outstanding
B.unusual
C.common
D.frequent
344.If you want to be promoted,you must be prepared to make a _____ contribution to the business.
A.passive
B.diverse
C.secure
D.positive
343.答案是B;outstanding 杰出的；unusual 不寻常的；common 常见的，普通的；frequent 频繁的。根据下文暗示，昨天的气温不寻常。
344.答案是D；考查形容词的辨义。Passive 被动的；diverse 多种多样的；secure 安全的；有把握的；positive 积极的，明确的，肯定的。
