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请说明影响幼儿期身体发展的因素有哪些并请分别举例。

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请简述鲍尔贝的婴儿依恋行为的发展阶段，并对其中的某个阶段加以举例说明。

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[问题2]目前，国内采用的第三代移动通信技术标准有哪些

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Betty wishes to（）

A. send away the cleaning lady.
B. replace the cleaning lady.
C. keep the cleaning lady.
D. do the house cleaning.

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Question 25 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news According to the news, France was strongly criticized for （）

A. conducting five nuclear tests on Wednesday.
B. carrying out a series of nuclear tests in the Pacific.
C. getting disappointing results in the nuclear program.
D. refusing to sign a global treaty banning nuclear tests.

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