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【判断题】
21 当投资的效率极高,临界储蓄规模仍不能满足投资需求时,引进外资仍然有必要。A.
正确
B.
错误
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【单选题】______ I was surprised at ______ her positive attitude towards life after losing her legs.
A.
How, is
B.
That, was
C.
What, were
D.
What, was
【简答题】(北京大学2010年)从部件和部件的组合方式来看,“爽”字是____结构
【单选题】Choose the best answer to each of the following questions according to what is sated or implied in Text A. What is Dave’s purpose in comparing Americans losing jobs after the import of Japanese televi...
A.
To suggest that maybe one day America will lose all those high-paying doctor and health care jobs.
B.
To show that Americans losing the jobs of producing televisions is the same as doctors losing their jobs.
C.
To justify that losing the jobs of producing televisions can also make America better off.
D.
To stress the importance of importing cheaper televisions from Japan to make Japan better off.
【简答题】与 终边相同角的集合 ; 与 终边相同角的集合 。
【单选题】叉车最小外侧转弯半径是指（）
A.
叉车在无载低速转弯行驶，转向轮处于最大转角时，车体外侧至转向中心的最小距离
B.
叉车在有载低速转弯行驶，转向轮处于最大转角时，车体外侧至转向中心的最大距离
C.
叉车在无载高速转弯行驶，转向轮处于最大转角时.车体外侧至转向中心的最小距离
D.
叉车在有载高速转弯行驶，转向轮处于最大转角时，车体外例至转向中心的最大距离
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