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【单选题】
Windows2000是一种()操作系统。A.
单任务单用户
B.
单任务多用户
C.
多任务单用户
D.
多任务多用户
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举一反三
【简答题】新古典主义风格设计
【单选题】What does the word 'utilitarianism' (Para 4 Line 2) mean in the context?
A.
Utmost.
B.
Practical.
C.
Hostile.
D.
Indifferent.
【简答题】以邻二氮菲光度法测定 Fe( II ), 称取样品 0.500g, 经处理后 , 加入显色剂 , 最后定容为 50.0mL 。用 1.0cm 的吸收池 , 在 510mm 波长下测得吸光度 A=0.430 。计算样品中铁的质量分数 ; 当溶液稀释 1 倍后其透射比将是多少 ?(xs10=1.1×104L·mol -1 .cm -1)
【单选题】What does "confront" mean in the sentence? We are learning how to confront death.
A.
to be faced with a problem
B.
to face up to and deal with a problem
C.
to meet sb. or sth. face to face with hostile
D.
to force sb. to face or consider a situation with evidence
【单选题】听力原文：W: I really want to know why Nancy is always so hostile toward me. M: Did you ever think of just coming right out and asking her? Q: What does the man think the woman should do? (14)
A.
Be hostile to Nancy.
B.
Ask Nancy to come out.
C.
Talk to Nancy herself.
D.
Write Nancy a letter.
【单选题】One critic says that this proposal sends a hostile message to new immigrants. What does that mean?
A.
That it can incite violence against new immigrants.
B.
That it can be seen as unfriendly, unwelcoming to newcomers.
C.
That it is making progress.
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