通常根据香菇子实体分化所需的温度不同,将香菇分为哪几个品系?
参考答案:
高温品系、中温品系、低温品系
— The war is very likely to break out in the near future.
— I _____,if the situation goes as it is.
A.hope so
B.hope not
C.am afraid not
D.am afraid so
内脏痛的主要特点是()
A.刺痛
B.快而短暂
C.必有牵涉痛
D.定位不准确
E.对牵拉不敏感