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【单选题】
蛋白激酶与（）结合被激活A.
激素
B.
G 蛋白
C.
腺苷酸环化酶
D.
环腺苷酸
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皮皮学刷刷变学霸
举一反三
【单选题】对液压阀的性能要求叙述不正确的是( )
A.
动作灵敏，工作平稳可靠，冲击. 振动和噪声尽可能小
B.
密封性能好，泄漏量要少
C.
油液流经控制阀时的沿程阻力损失要小
D.
保养维修方便，通用性好，寿命长
【单选题】Why does the auther take Xiang Yu as an example?
A.
Because he admires Xiang Yu.
B.
Because Xiang Yu was a great general(将军).
C.
Because Xiang Yu cut other choices to motivate his troops.
D.
Because Xiang Yu won many wars.
【单选题】According to Yan Yu, what does the secret of poetry composition lie in?
A.
wondrous enlightenment
B.
poetry's inspiration for human heart
C.
Confucian morality
D.
its function in politics and education
【单选题】What color of facial makeup does Guan Yu have in traditional Beijing opera?
A.
red
B.
blue
C.
yellow
D.
green
【简答题】戊公司只生产销售甲产品，该产品全年产销量一致。2013年固定成本总额为4800万元，该产品生产和销售资料如下表所示： 2013年甲产品生产和销售资料 单位：万台 项目 产销量（万台） 单价（元） 单位变动成本（元） 甲产品 17 500 200 经过公司管理层讨论，公司2014年目标利润总额为600万元（不考虑所得税）。假设甲产品单价和成本性态不变。为了实现利润目标，根据销售预测，对甲产品2014...
【简答题】What does Zhang Yu ask Lin Wei to do?
【单选题】What does Tian Yuan think of her mother?
A.
Her mother is strict but kind.
B.
Her mother is her best friend who shares everything with her.
C.
Her mother is a good teacher.
【单选题】Why does the Shun Emperor choose Yu to be the king?
A.
Yu is the most handsome man.
B.
Yu is his son.
C.
Yu fulfills his duty in battling against the widespread flood.
D.
Yu marries hsi daughter.
【单选题】What does Tian Yuan think of her mother?
A.
Her mother is strict but kind.
B.
Her mother is a good teacher.
C.
Her mother is her best friend who shares everything with her.
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