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  3. The word "paradox"(Para. 1) means "______". The chances of the physical sciences being subject to great changes are the biggest

The word "paradox"(Para. 1) means "______". The chances of the physical sciences being subject to great changes are the biggest

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问题 The word "paradox"(Para. 1) means "______".
The chances of the physical sciences being subject to great changes are the biggest because ______.
选项 A、contradictory theories keep emerging all the time
B、new information is constantly coming in
C、the direction of their development is difficult to predict
D、our knowledge of the physical world is inaccurate
答案B
解析 本题为推理判断题。按文意，our image of the astronomical universe，of even of earth’s geological history，can easily be subject to revolutionary changes as new data comes in and new theories are worked out一句已指出，由于新的发现和资料源源而来，可能与先前的理论相悖，自然科学面临的变数也就更大。
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