In classification, the writer associates different things or processes by grouping them into classes.
A. 对
B. 错
The students ________ three ability groups.
A. sort into
B. falls into
C. are fallen into
D. are sorted into
《素问•至真要大论》中“诸痿喘呕,皆属于上”的“上”指的是
A. 上焦
B. 心肺
C. 中上二焦
D. 胃
E. 大肠
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