长期系统的耐力锻炼,可使心室腔的容积发生哪些变化?()
A.增大
B.减小
C.不变
参考答案:A
单句改错
1. Finally,he reached to a conclusion that Tom wasn't the thief.
2.To conclude with,I wish you a happy new year.
3. The meeting concluded The Internationale(国际歌).
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