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【单选题】
最容易产生杠杆效果的创业资源是A.
人力资本
B.
物质资本
C.
社会资本
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皮皮学刷刷变学霸
举一反三
【简答题】Many scientists __________their own eyes and ears than the theories of the ancients. A．would rather to believe B. would rather believe C. rather would believe D. will rather believe
【简答题】根据检验统计量的不同,常见的四种假设检验方法为______,_______,_______和_______.
【单选题】With the populationexplosion，scientists will have to_______new methods ofincreasing the world’S food supply．
A.
come up with
B.
carry out
C.
1cad to
D.
stick to
【单选题】Scientists in the 1950s proclaimed the robot the brainwave (灵感，灵机) of the future—it would free housewives of drudgery (单调沉闷的工作) and fill factories with tireless work force. But in many ways, the brain...
A.
Robots still have a long way to go.
B.
What can robots do today.
C.
How to improve the abilities of robots.
D.
Difficulties in creating a competent robot.
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