Enclosing the bicycle in a plastic bubble would _____.
A、make it easier to use
B、save muscular energy
C、provide protection from the weather
D、prevent it from colliding with other vehicles
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正确答案
试题解析
本题的依据句是文章第三段第四句“The whole machine could be enclosed in a plastic bubble which would provide some protection in case of accidents.”。从中可知D项为正确答案。