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【单选题】
Which of the following might be the result from the use of efficient technology in corpo
A.
9：Which of the following might be the result from the use of efficient technology in corporations? A.The quantity of products will be considerably increased.
B.
The cost of computers will be decreased.
C.
The per document cost of information processing will be reduced.
D.
The newest information will be easier to obtain.
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参考答案：
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A.
1mol·L -1
B.
0．1 mol·L -1
C.
0．01 mol·L -1
D.
10 mol·L -1
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A.
毡圈密封
B.
皮碗密封
C.
间隙密封
D.
毡圈加迷宫密封
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【单选题】The secretary worked late into the night ， a long speech for the president ．
A.
． to prepare   
B.
． preparing   
C.
． prepared   
D.
． was prepared
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【单选题】将4gNaOH溶解在10mL水中，然后稀释成1L溶液，从中取出10mL，这10mL溶液的物质的量浓度是（     ）
A.
1mol·L － 1
B.
0.1 mol·L － 1
C.
0.01 mol·L － 1
D.
10 mol·L － 1
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【简答题】#incclude int i=0 i++
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【单选题】The secretary worked late into the night, _______ a long speech for the international conference. [     ]
A.
to prepare
B.
prepared
C.
preparing
D.
was preparing
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【简答题】In which century did William Harvery make his discovery about the circulation of the blood?
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【单选题】The secretary worked late into the night.She was preparing a long speech for the manager.(改写成现在分词作状语)
A.
The secretary worked late into the night,preparing a long speech for the manager.
B.
The secretary working late into the night,She was preparing a long speech for the manager.
C.
The secretary worked late into the night,she preparing a long speech for the manager.
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相关题目：
【简答题】The secretary worked late into the night, (prepare) ______a long speech for the president.
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【单选题】将4gNaOH溶液溶解在10ml水里，然后稀释成1L溶液，从中取出10ml，这10ml溶液的物质的量浓度是 [     ]
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【单选题】下列滚动轴承密封方式中, 属于非接触式密封。
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毡圈密封
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毡圈加迷宫密封
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【单选题】The secretary worked late into the night ， a long speech for the president ．
A.
． to prepare   
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A.
1mol·L － 1
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D.
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【单选题】The secretary worked late into the night, _______ a long speech for the international conference. [     ]
A.
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B.
prepared
C.
preparing
D.
was preparing
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查看完整题目与答案
【单选题】The secretary worked late into the night.She was preparing a long speech for the manager.(改写成现在分词作状语)
A.
The secretary worked late into the night,preparing a long speech for the manager.
B.
The secretary working late into the night,She was preparing a long speech for the manager.
C.
The secretary worked late into the night,she preparing a long speech for the manager.
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