苯丙酮尿症是一种常见的_________代谢病,属常染色体_______遗传。
参考答案:氨基酸;隐性
—How did you find your visit to Disneyland?
—I enjoyed it very much. It was _____ than I had expected.
A.far more interested
B.far more interesting
C.so interesting
D.even more interested
用含30°角的两块同样大小的直角三角板拼图,拼出的不同四边形中能够满足对边互相平行的有( )种。