题目内容
They didn’t come to the meeting ________ the heavy rain.
A. because B. with C. because of D. for
C
【解析】
试题分析：句意: 因为大雨他们没有来参加会议。because 是连词，后面常跟从句，表示原因；with 和，有，不表示原因；because of 因为，后面加名词或动词的-ing形式，表示原因。for 为了，或用在一些固定短语中表示原因。故选C。
考点：考查介词和连词。
优等生题库系列答案用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。
why , like , much, wake up , dream, again, sleep , about, think, quick |
"Dreams (梦 ) may be more important than sleep. We all need to dream," some scientists say.
Dreams take up about one quarter of our 1.________ time. People have several 2._______each night. Dreams are like short films. They are usually in color. Some dreams are 3._______ old films. They come to us over and over 4._______. That may be because the dreamer is worrying about something. Dreaming may be a way of trying to find an answer.
Some people get new ideas5._______ their work from dreams. They may have been 6._______ about their work all day. These thoughts can carry over into dreams.
Sometimes, we 7._______ with a good feeling from a dream. But often we can't remember the dream. Dreams can disappear (消失) 8._______ from memory (记忆).
Too much dreaming can be harmful (有害的). The 9._______ we sleep, the longer we dream. The mind is hard at work when we dream. That is 10._______ we may have a long sleep and still wake up tired.