玉米制种中如果发现母本发育慢，可提早对母本带叶去雄，母本花期可提前。
参考答案：对
Mary McCarthy''s satires are couched in the prose style that has a classic precision.
A．fused
B．prefaced
C．standardized
D．expressed
核事故的辐射对胎儿有什么影响？
