换 言之 ,他们虽为儿童提供一些“正面证据”(positive evidence) , 也就是语法正确的句子 ,却很少为他们提供“负面证据”(neg2 ative evidence) ,即指出儿童话语中不符合语法规范的句子 。 2.
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儿童接触到的语言输入十分有限, 而且多为“肯定性证据”(positive evidence) ,很少有“否定性 证据”( negative evidence) ,但儿童的语言知识和语言输出却 远远超出了他们所接触到的语言输入的范围。
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以乔姆斯基[1](1975)为代表的语言天赋论者认为,只有内部的语言机制才能使语言习得发生,正面语据(positive evidence)是语言习得所必需的,而反面语据(negat
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explicit positive evidence 显性正面语据
But Without Positive Evidence 但没有确凿证据
instruction with positive evidence 正面证据教学
positive linguistic evidence 定性的语言证据
positive and negative evidence 做的好的或不好的地方
There was no positive evidence that any birth defects had arisen as a result of Vitamin A intake.
没有确凿证据表明摄入维生素A会导致先天缺陷。
The police is looking for positive evidence that the boy came to the school.
警方正在寻找男孩到过这所学校的确凿证据。
But without positive evidence, people suspected and rejected his view, saying the theory he put forward made no sense.
但是没有确实的证据，人们很怀疑并拒绝他的观点，大家都说他提出的理论毫无道理。
"Exercise,diet,cognitive stimulation showed some positive effects, although the evidence was not so strong that we could actually consider these firmly established."
VOA: standard.2010.06.17
However,given that there is at least some evidence for positive effects from some of these lifestyle changes, plus other benefits apparently unrelated to cognitive decline, Burke offered some recommendations.
VOA: standard.2010.06.17
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