以下哪种害虫在福建危害园林植物最严重?()
A.美国白蛾
B.小地老虎
C.华北蝼蛄
D.榆紫叶甲
参考答案:B
In relation to the Labour Contract Law of China:
(b) state the legal relations between the entity despatching labour services and the persons despatched to the labour service purchaser; (2 marks)
下列关于密封储存的说法哪些是正确的()
A.商品含水要在安全水分之下才能密封
B.包装材料含水不可过大
C.密封后要进行经常性检查,有问题及时处理
D.有整库、整垛、整件密封几种方式