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【多选题】
气相色谱仪的安装与调试中下列条件需要做到()。A.
室内不应该有易燃易爆和腐蚀性气体
B.
一般要求控制温度在10-40℃，空气的相对湿度应该控制到≤85%
C.
仪器应该有良好的接地，最好设有专线
D.
实验室应该远离强电场，强磁场
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举一反三
【单选题】Eccentric people tend to form. into groups because ______.
A.
they have no other friends
B.
they want others to share their interests
C.
they are good organisers
D.
they feel they are misunderstood
【简答题】小题1:_____ People with intellectual disability form one of the largest single disability groups in a community. Intellectual disability refers to a general slowness to learn and function within socie...
【单选题】A simplified form. of speech developed as a medium of trade between groups of people who have no other language in common is called______.
A.
creole
B.
pidgin
C.
lingua franca
D.
Slang
【单选题】Why do hoatzins collect together in smaller groups when the rainy season comes?
A.
To find more food.
B.
To protect themselves better.
C.
To keep themselves warm.
D.
To produce their young.
【简答题】Why do some business groups form. an 'unlikely alliance' with the Catholic church and Latinos in the debate? (Para. 6)
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