下列有关胸围差的说法中,错误的是[ ] A.胸围差与年龄、性别和健康状况有关 B 发布时间:2017-04-15 16:23 │ 来源:www.tikuol.com 题型:选择题 问题: 下列有关胸围差的说法中,错误的是[ ]A.胸围差与年龄、性别和健康状况有关 B.测胸围差时,取三次测量的平均值 C.经常参加体育锻炼会使胸围差增大 D.肺越大,胸围差越大
题型:选择题 词汇根据中文提示填空.1. I_____(选择) a red overcoat for my mother.I think she will like it.2. There will be a spoken English_____(竞赛)next week.3. He doesn't look the same as us.I think he is from_____ (欧洲).4. We have two French_____(课程)every day.5. More and more foreigners come here with the increase of foreign_____(投资). 查看答案
题型:选择题 甲、乙两车在公路上沿同一方向做直线运动,它们的v-t图象如图所示。两图象在t=t1时相交于P点,P在横轴上的投影为Q,△OPQ的面积为S。在t=0时刻,乙车在甲车前面,相距为d。已知此后两车相遇两次,且第一次相遇的时刻为t′,则下面四组t′和d的组合可能的是 [ ]A.B. C.D. 查看答案