肝脏进行生物转化时甲基供体是()
A.亮氨酸
B.胆碱
C.ATP
D.甲基胞嘧啶
E.S-腺苷甲硫氨酸
参考答案:E
New York is __ the east coast of America. [ ]
A. on
B. in
C. from
D. to
听闻佛法时应具哪六种想?