426
0
20
857
5
20
1364
12
20
392
2
19
262
0
19
1215
0
19
507
2
19
233
0
19
548
2
19
539
0
19
227
4
19
533
5
19
795
0
19
586
0
19
1373
0
19
649
0
18
540
0
18
689
2
18
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Keyword(s): 理科 原子