低容量喷雾法(LV)
参考答案:
施药液量在每公顷50-200L(大田作物)的喷洒方法。堆积度:药液稳定沉积到作物表面后,在单位面积内的药液沉积量,单位为µL/cm2。
Shirley _____ a book about China last year but I don't know whether she has finished it. [ ]
A. has written
B. wrote
C. had written
D. was writing
女性生殖系统炎症的致病菌不包括()。
A.葡萄球菌
B.大肠杆菌
C.假丝酵母菌
D.溶粗性链球菌
E.变形杆菌