在茎、叶、老根或胚轴上发生的根是()
A、定根
B、侧根
C、不定根
D、须根
参考答案:C
Come here after class.I have _____________to tell you.
A.anything important
B.important anything
C.important something
D.something important
易产生耐受性的药物是
A.普萘洛尔B.哌唑嗪C.硝苯地平D.硝酸甘油E.氯沙坦