1．A new ________ bus service to Tianjin Airport started to operate two months ago.
A．normal B．usual C．regular D．common
答案 C [normal意为“正常的；常态的；正规的；标准的”；usual意为“平常的，普通的”；regular意为“有规则的，有规律的；有秩序的”；common意为“普通的，通常的，平常的”，所以C项符合题意。]
2．—I ________ my son to Laos for sightseeing.
—I would rather you didn't do that，for the bird flu ________ several lives there.
A．took；claimed B．am taking；has claimed
C．took；had claimed D．will take；claimed
答案 B [本题考查动词时态。第一空用am taking表示将来的动作；第二空用has claimed表示“已经发生的动作对现在产生的影响”。]
