【判断题】法氏囊病的传播只是通过消化道传染,感染鸡群和健康鸡群之间不进行传染。
【简答题】花轴顶生一花, 以后在花轴上产生一个侧轴, 侧轴顶端也生一花, 如此方式连续分形成了A. 单歧聚伞花序 B. 二歧聚伞花序 C. 多歧聚伞花序 B.轮伞花序
【单选题】Which choice is not correct?
A.
when a firm’s internal and external factors have been changed significantly,the firm should take corrective actions
B.
when the firm’s expected results have significant difference with actual results,the firm should take corrective actions
C.
when the firm’s actual results are what the firm’s expected,the firm should continue present course
D.
when the firm’s actual results are what the firm’s expected,the firm should take corrective actions
【判断题】____法氏囊病的传播只是通过消化道传染,感染鸡群和健康鸡群之间不传 染。P278
【判断题】东方人开放、外向,习惯于直截了当地表达个人意愿,思维方式一般是从具体到抽象,从局部到整体,注重理性认识,看重个人空间。()
【简答题】人力车运三类湿土,运距s=465m,套用定额编号( ),计量单位( ),换算后定额单价( )
【单选题】☆118.有机磷农药对人的主要危害是引起( )。