关于腮腺的解剖形态特点,错误的是()
A.形态不规则
B.大致呈三角形
C.导管开口于口腔
D.导管长3cm~6cm
E.导管宽1cm~2cm
参考答案:E
一棵杜鹃可开出几种颜色的花,采用的办法主要是( )
A.压条
B.扦插
C.有性生殖
D.嫁接
Now parents feel they can’t help______reading stories suitable for their children, so sometimes they can’t help but______ to experts for advice.
A.find; turn
B.finding; turning
C.finding; to turn
D.to find; to turn