珠柄、珠孔、合点在一条直线上的胚珠是（）
A.直生胚珠
B.弯生胚珠
C.横生胚珠
D.倒生胚珠
E.侧生胚珠
参考答案：A
IMViC试验常用于鉴别
A．肠道杆菌B．葡萄球菌C．肺炎球菌D．脑膜炎奈瑟菌E．厌氧菌
. ----You just think of yourself! You kept me waiting for at least three hours．
----I am sorry that you _____ think so.
A．would
B．might
C．could
D．should
