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举一反三
【单选题】Questions 1 to 5 are based on the following passage.There seems never to have been a civilization without toys,but when and how theydeveloped is unknown.They probably came about just to give children ...
A.
technological advances have greatly improved the durability of toys
B.
the improvement of craftsmanship in making toys depends on the efforts of universities
C.
the exploration of the universe has led to the creation of new kinds of toys
D.
the basic characteristics of toys are the same over the world