“螳螂捕蝉,黄雀在后”。此成语所隐含的食物链具有的营养级数至少为[ ]
A.2个
B.3个
C.4个
D.5个
答案:C
Have you applied Mr. Clark the position? It is worth a try.
A.for; to
B.with; for
C.with; about
D.to; for
可以导致多器官功能不全综合征(MODS)的疾病中,不包括
A.急性出血坏死型胰腺炎
B.慢性胆囊炎
C.烧伤
D.休克
E.绞窄性肠梗阻