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【单选题】
关于意识的起源，下列说法不正确的是：意识是（）。A.
社会的产物
B.
宗教的产物
C.
自然界长期发展的产物
D.
归根到底是物质世界的产物
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反馈参考答案：
举一反三
【单选题】As women demonstrate a growing appetite for consumer tech products, retailers and manufacturers are still only beginning to cater to this potentially huge reservoir of customers. High-tech businesses ...
A.
Women would rather shop in a calmer, colorful environment.
B.
The manufacturers realized their wrong ways of catering to women.
C.
The tech retailers and manufactures are reaching out to women.
D.
The shopping for a woman is more practical than it is for a man.
【单选题】Predictions of many robots in industry have yet come true. For ten years or more, manufacturers of big robots have explained how their machines can make industry mom competitive and productive. The ma...
A.
small
B.
educational
C.
big
D.
business
【单选题】Predictions of many robots in industry have yet come true. For ten years or more, manufacturers of big robots have explained how their machines can make industry more competitive and productive. The m...
A.
small
B.
educational
C.
big
D.
business
【单选题】在下列类型的多媒体数据文件中，Windows媒体播放器(Windows Media Player)软件不能播放的是
A.
MIDI
B.
WAV
C.
MPEG
D.
JPEG
【简答题】已知Kaθ(HAc)=1．8×10-5，则20 mL 0．20 mol.dm-3HAc和20 mL 0．20 mol.dm-3NaOH溶液混合后，溶液的pH为______________。
【单选题】Predictions of many robots in industry have yet come true. For ten years or more, manufacturers of big robots have explained how their machines can make industry more competitive and productive. The m...
A.
small
B.
educational
C.
big
D.
business
【简答题】已知 的pK a =9.25，计算NH 3 的K b 值。
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