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【单选题】
某加工阶段的主要任务是改善表面粗糙度,则该阶段是( )阶段。A.
粗加工
B.
精加工
C.
半精加工
D.
光整加工
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反馈参考答案：
举一反三
【单选题】When Deng Ling gave compliments to the party, she said______.
A.
I love the way you decorated the room with Christmas trees, ribbons and balloons.
B.
This is a wonderful party. I’m enjoying myself very much.
C.
I really mean it. It feels so festive and warm.
【单选题】When Li Ming introduced Deng Ling to Mary, Mary said_________.
A.
Nice to meet you.
B.
I have heard so much about you.
C.
How do you do?
【单选题】When Deng Ling had to leave for the meeting, she said_________.
A.
Keep in touch.
B.
I’m going to have to run. See you later.
C.
It’s been fun talking to you.
【单选题】When Mary talked with Deng Ling about some possibilities, she said__
A.
Yeah. It is likely that I will go to work this Saturday
B.
There’s not much chance of that happening.
C.
The chances are pretty slim.
【单选题】在 HTML 中,可以使用( d )标记向网页中插入 GIF 动画文件。 A. B. C. D. 在HTML中,可以使用( )标记向网页中插入GIF动画文件。
A.
form
B.
body
C.
table
D.
img
【单选题】绿色数据中心以电能使用效率PUE值作为能源利用效率的总体评价指标。PUE=数据中心总设备能耗/IT设备能耗，新建数据中心PUE值应至少( )。
A.
≦1.7
B.
≦1.8
C.
≦1.9
D.
≦2.0
【简答题】肺的导气部是指从( )到( )之间的部分
【简答题】在HTML中,可以使用( )标记向网页中插入音乐。A. B. C. D.
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