2003年09月英语四级试题（词汇）免费下载
this part. For each sentence there are four choices marked A), B), C) and D). Choose cite ONE answer that best completes the sentence. Then mark the Corresponding letter on the Answer Sheet with a single line through the centre.
41. The beam that is ________by a laser differs in several
以上是2003年09月英语四级试题（词汇）的随机摘录，要查看全文请下载完整版。
