When professor Wang was in China, she had her in-group to help her.
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When professor Wang was in U.S., she found out that her friends would not help her in the same way.
A. 对
B. 错
对于引导型病毒,杀毒工作不需要全部清空内存。()
A. 对
B. 错
1963年,教育部颁布了( ),学制六年,提出培养学生空间观念的要求。
A. 《小学算术课程暂行标准(草案)》
B. 《小学算术教学大纲(草案)》
C. 《小学算术教学大纲(修订草案)》
D. 《全日制小学算术教学大纲(草案)》
实施九年制义务教育在那个时间段?
A. 1961-1965
B. 1966-1976
C. 1977-1988
D. 1989-1999