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【单选题】
已知某菜肴的销售价格是成本的3.5倍,那么它的成本毛利率是()。A.
1
B.
1.5
C.
2
D.
2.5
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【简答题】Electronic books have changed the way many people read for pleasure. Now online textbooks are changing the way some students learn and some teachers teach. More than one hundred sy-five thousand ...
【单选题】I make notes in the back of my diary ________ thing to be mended or replace (1996.6/30)
A.
by
B.
in
C.
with
D.
of
【简答题】如何快速的选中一个段落?如何快速的选中多个连续段落?如何快速的选中多个不连续段落?
【单选题】下列项目哪项属于牙周疾病的三级预防
A.
早期发现治疗，减轻已发生的牙周病的严重程度，控制发展
B.
专业性洁治，去除菌斑和牙石
C.
去除刺激疾病发展的不良刺激
D.
采用X线检查，定期追踪观察牙槽骨情况
E.
用各种药物和配合牙周手术最大限度地治愈牙周组织的病损
【单选题】听力原文：M: I forgot to bring paper and pencil to make notes in class. W: That's all right. I have enough for both of us. What will the woman do for the man?
A.
She will lend pencils and papers to him.
B.
She will make friend with the man.
C.
She will borrow notes from the man.
【简答题】Manypeople prefer to read printed books are mainly .A. becauseof costs, comfort and convenience B. becausethey are able to write notes on them C. becausethey feel uncomfortable with an e-reader D. bec...
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