向结晶池内补充饱和卤水的过程称之为()。
A.灌池
B.加卤
C.撒淡
D.赶混
参考答案:B
Wolves will _________ their lives _________ the loss of the trees and forests.
A.lose; because
B.lose; because of
C.lost; because
D.lost; because of
2岁男孩,眼距宽,鼻梁低平,眼外侧上斜,舌常伸出,染色体核型为46,XX(或XY)/47,21()
A.肝豆状核变性
B.苯丙酮尿症
C.先天性卵巢发育不全
D.先天性睾丸发育不全
E.21-三体综合征