问题
选择题
I'm going to start a club to help students _____ are not interested in schoolwork. [ ]
A. whose
B. who
C. whom
答案
答案：B
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I'm going to start a club to help students _____ are not interested in schoolwork. [ ]
A. whose
B. who
C. whom
答案：B
=370的固定斜面匀速下滑，则物体与斜面之间的动摩擦因数是（sin370=0.6，cos370=0.8）