托福听力official9 Look at the four squares [[span class='strong-insert']][[/span]] that indicate where the following sentence could be added to the passage. Where could the sentence best fit?
答案解析
13.Look at the four squares [[span class='strong-insert']][[/span]] that indicate where the following sentence could be added to the passage. Where could the sentence best fit?
So since the chances of survival for any individual spore are small, the plants have to produce many spores in order to propagate.
B 两个过渡点，many spores和连词so，many spores确定A或者B，注意D因为few spore所以与待插入句无重合点，错；A之后有these plants与上文过渡紧密，排除，所以B正确，而且B之后的vast number of them刚好与待插入句中的many spores对上。
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