A:显性纯合子
B:隐性纯合子
C:杂合子
D:显性纯合子或者隐性纯合子
Look! Lucy is ________ a new red dress. She is beautiful today.
气温x (℃)
…
0
5
10
15
音速y (m/s)
331
334
337
340
— Who's that young man on the poster?— Justin Bieber, excellent singer.
下图为印度半岛某城市示意图。据此回答下面小题。