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【单选题】
X6132型万能升降台铣床中,X表示( )。A.
工作台面长为320 mm；
B.
工作台面宽为320 mm；
C.
最大铣削宽度320 mm；
D.
最大铣削长度320 mm。
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皮皮学刷刷变学霸
举一反三
【单选题】Why is David Hill delighted that the Acre tribe has been in the news?
A.
It means they will be well taken care of.
B.
It may influence the actions of the government.
C.
It will make it easier for people to find the tribe.
【单选题】（ ）不但考虑了风险因素在未来变动的幅度，还考虑了这种变动幅度在未来发生变动的可能性大小及对项目主要经济效益指标的影响。
A.
盈亏平衡分析
B.
敏感性分析
C.
风险分析
D.
临界点分析
【单选题】不但考虑了风险因素在未来变动的幅度,还考虑了这种变动幅度在未来发生变动的可能性大小及对项目主要经济效益指标的影响。
A.
盈亏平衡分析
B.
敏感性分析
C.
临界点分析
D.
概率分析
【单选题】需求上升可能较大幅度提高价格,但同样幅度的供给减少却几乎不怎么影响价格。这种情况最有可能发生在:
A.
需求和供给均富于弹性
B.
需求和供给均缺乏弹性
C.
需求缺乏弹性,但供给富于弹性
D.
需求富于弹性,但供给缺乏弹性
【简答题】完形填空。 Jack and John are two boys. They are best __ 1 __ . They go to school and play sports together. Jack works hard, __ 2 __he is good at his lessons. John doesn't __ 3 __ well in maths. So Jack oft...
【单选题】( )8. Jack and John _______ in the lake. Let’s join them, shall we?
A.
swim
B.
have swum
C.
swam
D.
are swimming
【单选题】John and Jack have gone to the meeting, but _____ students in the class are still in the classroom.
A.
other
B.
others
C.
the other
D.
the others
【单选题】Why does the copper discovered in a native tribe in New Guinea give rise to a problem?
A.
Because it will soon be mined.
B.
Because it will bring money for the tribe.
C.
Because it is too far away for mining.
D.
Because the mining of the copper will affect the tribe's religion.
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