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【单选题】
材料为45钢的硬齿面齿轮常用的热处理方法是（）A.
表面淬火
B.
渗碳
C.
渗碳淬火
D.
碳氮共渗
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【单选题】Snowdonia is a seashore city _____ you can enjoy yourselves much by visiting the local scenic spots.
A.
why
B.
which
C.
where
D.
so
【单选题】在优化财政支出结构的过程中,财政支持与社会参与的关系是( )。
A.
要完全依靠财政发挥其职能作用
B.
主要依靠调动社会各方面的参与
C.
既要充分发挥财政职能作用,也要积极调动社会各方面参与的积极性
D.
主要通过市场满足的社会需求
【简答题】&8226;You work for a company which produces laser printers. You are visiting another company, to buy some com -puter software for your department. They have expressed an interest in your company's pri...
【单选题】Will you go to the meeting ______ visiting the museum please?
A.
or
B.
and
C.
to
D.
instead of
【单选题】You can go to see your sick granny, but you mustn’t stay there _____ visiting hours.
A.
across
B.
without
C.
over
D.
beyond
【简答题】What class are they taking together?
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