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引导总锁闭如何办理？

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回答下面的题目：Do you ever wish you were moreoptimistic，someone who always(51) to be successful?Having someone around whoalways(52) the worst isn’t really a lot of(53) ．We all know someone who sees a single cloud on asunny day and says，“It looks(54)rain．”But if you catch yourself thinkingsuch things，it’s important to dosomething(5 5) it．You can change your view of life，(56) to psychologists．It only takes a little effort，and you’llfind life more rewarding as a(57) ．Optimism，they say，is partly about self—respectedconfidence but it’s also a more positive way of looking at life and all it hasto(58) ．Optimists are more(59) tostart new projects and are generally more prepared to take risks．Upbringing is obviously veryimportant in forming your(60) to the world．Some people are brought up to(61) toomuch on others and grow up forever blaming other people when anything(62) wrong．Most optimists，on the(63) hand，have been brought up not to(64) failure as the end of theworld-they just(65) with their lives．

A. supply
B. suggest
C. offer
D. propose

是说明材料的分类和属性。

寿胎丸的药物组成是（）

A. 菟丝子、续断、桑寄生、阿胶
B. 菟丝子、杜仲、桑寄生、阿胶
C. 菟丝子、续断、杜仲、阿胶
D. 菟丝子、续断、桑寄生、首乌
E. 菟丝子、杜仲、桑寄生、首乌

CRH5型动车组列控系统的ATP和LKJ是如何配合工作的？