题目: These crops need ______________ the cold weather. [ ]A. to protect B. protection against C. protecting D. to protect from 答案: 答案:B
题型:多项选择题 X型题 关于浅低温描述哪些是正确的()A.温度在34~30℃之间B.降低氧耗15%~35%C.可阻断循环10~12分钟D.常用于脑复苏等脑保护治疗E.常用于短时间停循环心内手术 查看答案