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【单选题】
CAXA 默认的保存的文件格式为 ( )。A.
*.prt
B.
*.dwg
C.
*.mxe
D.
*.dxf
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反馈参考答案：
举一反三
【简答题】（1）﹣1+（﹣1）； （2） ； （3） ； （4）（﹣0.25）×（+13）×（﹣24）； （5）（﹣ ） 2 ×（﹣ ） 3 ×（﹣3）+（﹣5）．
【简答题】At firs you may find it difficult to follow the procedure, but soon you ’ ll be doing it .
【单选题】You have made a few mistakes in your composition but _______ you have done well.
A.
on the whole
B.
first of all
C.
on the other hand
D.
in a word
【简答题】计算： （1）-3 3 × 1 3 +（-3） 3 ÷3- 1 3 ÷3×（-13） （3）-9.3-（-7.4）+9 1 n +（-手 3 n ）+|-3|．
【简答题】Imagine you were at a bus stop and two people approached you one after the other. The first said;'哎,几点了?' and the second said;“不好意思，打搅一下，请问您戴表了吗？” What assumptions would you make if you were addressed...
【简答题】听力原文：Katarina: So, Jatinder and Ali, how did you deal with culture shock when you first came here to study? Jatinder: Well, Katarina, when I first arrived in the UK, I was just so excited to be living...
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