F1代
参考答案:两个亲本系(同源)杂交后的第一代。
下列哪项对于治疗糖尿病酮症酸中毒不宜
A.积极补液
B.应用抗生素治疗感染
C.积极补碱纠正酸中毒
D.积极治疗诱因
We discussed where to go for a whole morning, but we decided to stay at home _____. [ ]
A. at the end
B. by the end
C. in the end
D. on the end