等渗性缺水常见的原因是（）。

A.慢性十二指肠瘘

B.挤压综合征

C.感染性休克

D.支气管肺炎高热

E.急性肠梗阻

We give you on the attached sheet full details regarding packing and marking, which must be strictly ( ).

A．observed

B．abide by

C．submitted

D．seen