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【判断题】
麻花钻顶角大小影响主切削刃上轴向力的大小。顶角愈小,外缘处刀尖角增大,有利于散热和提高钻头寿命。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】What news does the woman tell the man?
A.
She has got a job offer.
B.
She has got a promotion.
C.
Her company has launched a new product.
D.
Her company has received a big order.
【简答题】采用多道程序设计技术能充分发挥 与 并行工作的能力。
【简答题】采用多道程序设计技术能充分发挥____、与____、并行工作的能力。
【简答题】采用多道程序设计技术能充分发挥( )与( )并行工作的能力。
【简答题】采用多道程序设计技术能充分发挥外设与 并行工作的能力。
【简答题】采用多道程序设计技术能充分发挥 与 并行工作的能力。
【多选题】What problems does Birgit have?
A.
high staff turnover
B.
very noisy
C.
long hours at workingstation
D.
too crowded
E.
no promotion
F.
angry customers
G.
hearing problems and headaches
【单选题】听力原文：Nobody has more enthusiasm than she does in the promotion of the new model. What does the speaker mean?
A.
Everyone has more enthusiasm than she does.
B.
She's the most enthusiastic person I know.
C.
She's no more enthusiastic than the others.
D.
Nobody has any enthusiasm in the promotion.
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