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【单选题】
苯二氮卓类药物主要通过下列哪种物质而发挥药理作用A.
多巴胺
B.
去甲肾上腺素
C.
白三烯
D.
乙酰胆碱
E.
γ-氨基丁酸
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【简答题】护热箱法的试件传热系数是用（）定义的，因此需要有适合的测量温度方法来确定环境温度。
【简答题】根据短文内容回答问题。 No more chores, please! Sam hated doing chores. And he had many chores. For example, on Mondays, Wednesdays and Fridays he took out the trash. And on the weekend he always washed his fathe...
【简答题】阅读理解。 Hi! I'm Sylvie from Toulouse in France. I'm 14 years old and I've got a twelve-year-old sister called Camille. I love going to pop music concerts and playing tennis with my friends. I'm interest...
【简答题】根据短文内容选择正确答案。 No More Chores, Please! Sam hated doing chores. And he had many chores. For example, on Mondays, Wednesdays and Fridays he took out the trash. And on the weekend he always washed his fat...
【多选题】下列选项中关于锤子线的描述正确的是
A.
实体位于该蜡烛线整个价格区间的上端
B.
实体位于该蜡烛线整个价格区间的底部
C.
下影线的长度至少达到实体高度的两倍
D.
一般没有上影线（有也很短）
E.
可根据其判断股市将下跌
【简答题】根据短文内容，回答下面几个问题 。 Sam hated doing chores. And he had many chores. For example, on Mondays, Wednesdays and Fridays he took out the trash. And on weekends he always washed his father's car. He also clea...
【多选题】下列选项中关于锤子线的描述正确的是:
A.
实体位于整个价格区间的上端
B.
实体位于整个价格区间的底部
C.
下影线的长度至少达到实体高度的两倍
D.
一般没有上影线（有也很短）
E.
可根据其判断股市下跌
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