一个正方形果园,边长是380米,如果要用篱笆把果园的四周围起来,篱笆长______米.
380×4=1520(米)
答:篱笆长1520米;
故答案为:1520.
—Good morning. Can I help you?
—I'd like to have this package__________, madam. [ ]
A. be weighed
B. to be weighed
C. to weigh
D. weighed
牛胎生网尾线虫病最可靠的实验室诊断方法是()
A.饱和盐水漂浮法
B.水洗沉淀法
C.贝尔曼氏法
D.毛蚴孵化法
E.直接涂片法