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A. use
B. play
C. operation
D. service

回答（49）题查看材料

A. But their use of Broca"s area was different.
B. One group consisted of those who had learned a second language as children.
C. How does Hirsch explain this difference？
D. We use special parts of the brain for language learning.
E. And that is very different from learning a languase in a high school or college class.
F. Their work led to an important discovery.

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回答（50）题查看材料

A. But their use of Broca"s area was different.
B. One group consisted of those who had learned a second language as children.
C. How does Hirsch explain this difference？
D. We use special parts of the brain for language learning.
E. And that is very different from learning a languase in a high school or college class.
F. Their work led to an important discovery.

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回答（47）题查看材料

A. But their use of Broca"s area was different.
B. One group consisted of those who had learned a second language as children.
C. How does Hirsch explain this difference？
D. We use special parts of the brain for language learning.
E. And that is very different from learning a languase in a high school or college class.
F. Their work led to an important discovery.

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回答（52）题 查看材料

A. increased B. enormous C. extended D. enlarged

回答（53）题 查看材料

回答（49）题 查看材料

回答（50）题 查看材料

回答（47）题 查看材料

回答（52）题查看材料

A. increased
B. enormous
C. extended
D. enlarged

回答（53）题查看材料

回答（49）题查看材料

回答（50）题查看材料

回答（47）题查看材料