托福听力official13 Look at the four squares [[span class='strong-insert']][[/span]] that indicate where the following sentence could be added to the passage. Where would 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 would the sentence best fit?
The repetition allows researchers to observe the infant's behavior until they reach agreement about the presence and the degree of the infant's response.
B 三个过渡点，名词repetition，researchers和infant’s response；根据researcher判断答案A, B或者D，根据infant’s response排除D，而B点之前的over and over again是repetition的同义词，应该先说重复，然后再说这种重复怎么怎么样，所以答案是B不是A。
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