苯丙酮尿症的生化改变,错误的是()
A.苯丙氨酸在血和脑脊液中堆积
B.酪氨酸产生减少
C.甲状腺素、肾上腺素合成增多
D.黑色素合成不足
E.尿中苯乙酸排出增多
参考答案:C
根据我国《票据法》的有关规定,涉外票据丧失时,失票人请求保全票据权利的程序适用( )。
A.出票地法律
B.付款地法律
C.当事人协商的法律
D.票据债务人的本国法
—The elder brother likes clothes that______ unusual.
—Oh, I don't think students should be allowed to wear such strange clothes. [ ]
A. were
B. am
C. is
D. are