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【多选题】
数控加工程序代码中的（）是表示坐标尺寸指令中附加轴地址。A.
F
B.
S
C.
T
D.
A
E.
B
F.
C
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举一反三
【单选题】What are the keys to product success?
A.
The product must meet customer needs better than other products.
B.
The firm that brings out the product must be skilled in all phases of marketing.
C.
The firm that brings out the product must be technically proficient.
【单选题】2008 is a speical number， I think，that will never be forgotten by the Chinese people．
A.
one
B.
it
C.
the one
D.
what
【简答题】What are some product lines that use common parts across many products? What are the advantages of doing this?
【简答题】2010年1月1日，甲公司采用分期付款方式购入大型设备一套，当日投入使用。合用约定的价款为2700万元，分3年等额支付;该分期支付购买价款的现值为2430万元。假定不考虑其他因素，甲公司该设备的入账价值为( )万元。 A.810 B.2430 C.900 D.2700
【单选题】关于余气系数α,下列叙述中错误的是( )。
A.
余气系数的物理意义表示贫油和富油程度
B.
α<1时为富油,α>1时为贫油
C.
航空发动机的余气系数一般为25~45
D.
在燃烧室的燃烧区和点火区,余气系数总是接近于1,这样对燃烧最有利
【多选题】What are the four stages of the product life cycle?
A.
introduction
B.
growth
C.
maturity
D.
saturation
【简答题】*What are the (1)____ of this product? *What are the (2)____ of this product? *What are the (3)____ of this product? *What are the (4)____ of this product?
【简答题】阅读理解。 As computers become all the morepopular in China, Chinese people areincreasingly relying on computer keyboardsto input Chinese characters. But if they usethe computer too much, they may end up f...
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