In families with two working parents, fathers may have more impact (1) ________ a child's language development than mothers, a new study (2) ________ .
Researchers (3) ________ 92 families from 11 child care centers before their children were a year old, interviewing each to establish income, (4) ________ of education and child care arrangements. (5) ________ , it was a group of well-educated middle-class families, (6) ________ married parents both living in the home.
When the children were 2, researchers videotaped them at home in free-play sessions with both parents, recording all of their (7) ________ . The study will appear in the November (8) ________ of The Journal of Applied Developmental Psychology.
The scientists (9) ________ the total number of utterances of the parents, the number of different words they used, the (10) ________ of their sentences and other aspects of their speech. (11)________ average, fathers spoke less than mothers did, but they did not (12) ________ in the length of utterances or proportion of questions asked.
Finally, the researchers (13) ________ the children's speech at age 3, using a standardized language test. The only predictors of high (14) ________ on the test were the mother's level of education, the (15) ________ of child care and the number of different words the father used.
The researchers are (16) ________ why the father's speech, and not the mother's, had an effect. “It's well (17) ________ that the mother's language does have an impact,” said Nadya Pancsofar, the lead author of the study. “It (18) ________ be that the high-functioning mothers in the study had already had a strong influence (19) ________ their children's speech development, or it may be that mothers are (20) ________ in a way we didn't measure in the study.”
固定搭配have impact on，表示“对……有影响”，故选C。
根据原文，此处要表达的是“一项研究表明……”，suggest有“暗示，表明”之意，故选D。
根据原文可知，“研究者们招募了11个儿童看护中心的92个家庭来进行研究”。recruit有“招募，征 集”之意，故选B。
根据原文可知，“研究人员采访了每组家庭的收入状况、受教育程度和儿童照看情况”。level水 平、层次，符合句意，故选A。
根据原文，此处要描述所研究的家庭的大体情况，因此选择总述类词语。overall总的来说，符合 原文逻辑关系，故选B。
根据原文可知，“这是一群受过良好教育的中产阶级家庭，已婚父母都住在家里”。逗号前是主 句，with...living 为介词短语进行补充说明，故选C。
根据上下文可知，研究人员要研究的是儿童的语言，故选A。
根据原文可知，“该研究将出现在应用发展心理学杂志的11刊上”。issue报刊的期号。publication 发行。version和edition都是“版本之意”，故选D。
根据原文，此处搭配的是数量（number），由最后一段最后一句也可得知，measure测量，符合原文语义，故选B。
根据后一句谈到句子长度等推断，此处表达的是对句子复杂程度（complexity）的测量，故选 B。
固定短语on average，意为“平均起来”，故选A。
根据原文可知，“平均起来，父亲比母亲说的少，但他们在句子长度和被问问题的比例上没什么不同”，故选C。
根据原文可知，“最后，研究者们用一种标准化的语言测试对三岁孩子的语言进行了分析”，测量之后进行分析符合原文逻辑，故选D。
根据原文可知，“仅有的高分可预测指标（predictor）包括母亲的受教育程度，孩子的抚养质量和父亲使用的不同语言的数量”。故选B。
根据原文，这里搭配抚养孩子只有质量（quality）比较合适，故选C。
根据本段最后一句可知，还有研究没能测出来的东西，所以此处应是不确定为什么只有父亲的语言对孩子有影响，故选D。
it's well established that大家公认……。故选C。
根据上下文可知，此处是推测语气，故选B。
have an influence on对……有影响，故选D。
根据原文可知，“可能母亲以一种我们在研究中没有测出的方式在发挥着作用”，此处表达母亲 的影响力，contribute贡献，出力。cultivate培养。instruct教育；命令。enlighten启蒙。故选A。