题目内容
5. Anything that has been roped can be unroped. No knot is .
A. permanent B. fixed
C. complex D. mixed
5. A句意为:没有解不开的结。 permanent意为"永久的";fixed意为"固定的";complex意为"复杂的";mixed意为"混合的"。
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题目内容
5. Anything that has been roped can be unroped. No knot is .
A. permanent B. fixed
C. complex D. mixed
5. A句意为:没有解不开的结。 permanent意为"永久的";fixed意为"固定的";complex意为"复杂的";mixed意为"混合的"。