谷类蛋白质中的限制氨基酸是()
A、精氨酸
B、赖氨酸
C、酪氨酸
D、色氨酸
参考答案:B
It is one thing to enjoy listening to good music, but it is ________ another to play it well yourself. [ ]
A. quite
B. very
C. rather
D. much
欧亚地震带指的是()
A.喜马拉雅山——地中海地震带
B.喜马拉雅山——
C.——地中海
D.海岭