Half of the pens would 6 an electric shock when clicked. Twenty-seven students were told which pens were electrified, another twenty-seven were told only that some were ele...
2. 连接代词:who(谁),whom(谁),whose(谁的),what(什么),which(哪一个,哪一些) 3. 连接副词:when(什么时候),where(什么地方),why(为什么),how(怎样) 主从连词只起连接作用;连接代词和连接副词除了起连接作用外,还充当句中某...
52. What caused a change in the author’s understanding of keeping a diary? A. A dull night on the journey. B. The beauty of the great valley. C. A striking quotation from a book...
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