对烤烟B2R有关描述正确的是()。
A、身份稍厚、色度浓
B、有油分、叶长≥45㎝
C、身份稍厚、叶片结构稍密
D、身份厚、色度强
参考答案:C
They always lay in a large_____of tinned food in winter in case they are snowed up.
A.provision
B.supply
C.proportion
D.storage
吡喹酮治疗水牛血吸虫病的总剂量为
A.15mg/kg
B.20mg/kg
C.25mg/kg
D.30mg/kg
E.40mg/kg