搜题请搜索小程序“爱下问搜题”
问题
填空题
___________________是确诊化脑的重要依据。
答案
参考答案：脑脊液检查
选择题
Daniel is helpful, and he always _____.
A. thinks of himself first
B. thinks of others first
C. thinks himself first
D. thinks others first
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单项选择题
织袜时，丝饼与小车之间的距离应控制在（）。
A.0.5~1m
B.6~8m
C.1.5~2.5m
D.4～6m
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