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【单选题】
使用干燥箱和恒温箱,应注意的事项有A.
使用前检查电源，要有良好的接地线
B.
箱内应保持清洁，放物网篮不得有锈，否则影响待干燥物品的洁净度
C.
塑料、有机玻璃制品的加热温度不能超过60℃，玻璃制品的温度不能超过180℃，使用温度不能超过干燥箱的最高允许温度，用毕要及时切断电源
D.
以上都是
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举一反三
【单选题】The company has purchased one hundred and fifty new servers. The server administrator needs to build and deploy them as quickly as possible. Which of the following is the FASTEST method of building an...
A.
Build each server from the OS manufacturer’s build disk.
B.
Use an imaging system to manually deploy the build to the servers.
C.
Build each server with the manufacturer’s build disk.
D.
Give the company build disk to the server manufacturer.
【单选题】在热塑性弹性体SBS的相态结构中,其相分离结构为()。
A.
PS－连续相，PB－分散相
B.
PB－连续相，PS－分散相
C.
PS和PB均为连续相
D.
PS和PB均为分散相
【简答题】They do not expect to____from cr to cr; they do not always expect that each day will bring up some ____chance of war; but when they very slowly make up their minds that the thing has to be don...
【单选题】They do not expect to move from crisis to crisis; they do not always expect that each day will bring up some noble chance of war; _________ when they very slowly make up their minds that the thing has...
A.
but
B.
and
C.
yet
D.
since
【简答题】What
consequences will electronic devices bring about if they are not properly
handled?
【单选题】They do not always expect that each day will bring up some noble chance of war.
A.
splendid
B.
expensive
C.
notice
D.
impressive
【简答题】They do not always expect that each day will bring up some noble chance of war.
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