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电路的有什么作用？

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Task 3 Questions 14-20Do the following statements agree with the information given in Reading Passage A?For each statement below, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVENif there is no information on this

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可经脱羧基作用产生5-羟色胺的氨基酸是

A. Glu
B. Val
C. Trp
D. Lys
E. His

苯丙氨酸在体内的主要代谢是经羟化作用生成下列哪种氨基酸

A. 丙氨酸
B. 酪氨酸
C. 组氨酸
D. 色氨酸
E. 甲硫氨酸