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【多选题】
关于癌前病变的概念,正确的是A.
早期癌
B.
可能癌变的病变
C.
不一定发展为癌
D.
一定发展为癌
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皮皮学刷刷变学霸
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【简答题】对流行性乙型脑炎具有诊断意义的特征性病变是（ ）。
【简答题】The material-handling system is used to handling of raw materials ,________, and ________
【单选题】Which of the following refers to the receiving, storing, handling, and counting of all raw materials, partly finished goods, and finished goods?
A.
materials handling
B.
inventory control
C.
quality control
D.
wholesaling
E.
distribution control
【单选题】In handling break bulk hazardous materials，it is forbidden to use ______．
A.
cargo nets
B.
metal bale hooks
C.
pallets
D.
slings
【多选题】The mechanized materials handling equipment include( )。
A.
lift truck
B.
waikie-rider pallet truck
C.
high-stacking truck
D.
lane stacker
【单选题】All handling and stowage of packaged hazardous materials on board a domestic vessel engaged in foreign trade shall be done under the supervision of ______.
A.
a MSA Marine Inspector
B.
an officer assigned to the vessel by MSA
C.
a officer from CCS
D.
the National Cargo Bureau
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