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【单选题】
以微处理器为核心，配上存储器、输入输出接口电路及系统总线可以组成（ ）。A.
微型计算机
B.
CPU
C.
微型计算机系统
D.
软件系统
手机使用
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反馈参考答案：
举一反三
【单选题】听力原文：Of the students participating in our university's research project, 73% classified themselves as freshmen and sophomores. (23)
A.
Many university students prefer soft drinks to fresh fruits.
B.
Most of them are first-or-second year college students.
C.
A number of college students refuse to disclose their identities.
D.
Not many students are interested in our research projects.
【单选题】Since our research so far has not produced any answers to this problem, we need adopt a different ______ to it.
A.
approach
B.
way
C.
means
D.
method
参考解析：
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