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圆弧形态形成过程与复合头肩形态有相似之处，但成交量的变化特征却截然相反。( )
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微分方程y"=ex通解为（）。
股价下跌到支撑线所在的位置就一定回升。( )
Friendship is important. Everyone need friendship. In all 76. ______ our lives we can live without friendship just as we can’t 77. ______ live without air and water. Friendship makes us get on 78. ______ well with one another to go ahead under different kind of 79. ______ difficulties in front of us. However, true friendship is easy to 80. ______ come by. True friendship must be sincerely and be based 81. ______ on understand each other but not on benefits of each 82. ______ other. A good friend can always be a good teachers to us. 83. ______ Through his advice, we are persuading to go the right way. So 84. ______ more friends we have, the better we can improve ourselves. 85. ______
W: Tom’s been looking after his mother in the hospital. She got injured in a car accident two weeks ago and still in a critical condition.M: Oh, that’s terrible. And you know his father passed away last year. What can we know about Tom（）
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