[答案]B. account.

　　[注释] take sth. into account(=consider)考虑到：We must take local conditions into accoutn.

　　[答案]A. committing.

　　[注释] commit...to 托付，交付：1)He was committed to the care of his aunt.(他被托付给他的姨妈照管。) 2)I have already committed the rules to memory.(我早已记住这些规则了。)commit sth. to writing(把......写下来)。

　　[答案]B. common.

　　[注释]common(=usual and ordinary; happening of found often and in many places)普通的;常见的;常常发生的;到处可见的：a common experience(普通的经历);a common tree(常见的树木)。This bird is common throughout Europe.(这种鸟在欧洲很常见。)They can treat most of the common diseases.(他们能治疗大多数常见病。)usual(=done, found, used or existing most of the time) 经常的，通常的，惯例的，习以为常的;强调时间习惯方面，例如：This is the usual state of the house.(这房子里平常就是这种样子。) ordinary 正常的，普通的，正常的;an ordinary day(平凡的一天)，ordinary people(普通人), a piece of ordinary dance music(一首普通的舞曲)。General 普通的。它与common 比较，语气稍强，含有很少例外的意外。可见本题中用common 是最佳的选择。

　　[答案]D. denied.

　　[注释] deny 1)否认：A. He didn't deny the facts. B. They couldn't deny that it was a serious blow to them. C. He denied having ever there.(他否认曾到过那里。) 2)(=say 'no' to a request; refuse to give sth. asked for or needed)不给予;Lots of people were denied the right to vote.(许多人被剥夺了选举权。)He denies his wife nothing.(他对他的妻子有求必应。)

　　[答案]C. descending.

　　[注释] descend(=come or go down)走下来;传下来：1)He descended from the top of the mountain. 2)Are men descended from apes?(人是不是猿的后代?)depress 压抑，使沮丧。Depart 出发，起程。