测井温恢复曲线是在()状态下进行测试。A、开井 B、关井 C、注水 D、停注 发布时间:2019-08-09 04:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: 测井温恢复曲线是在()状态下进行测试。A、开井B、关井C、注水D、停注
题型:单项选择题 一列简谐横波沿x轴正方向传播,某时刻(t=0)其波形如图所示,a、b、c、d是四个质元,振幅为A。下列说法中正确的是 [ ]A.该时刻以后,质元a比质元b先到达平衡位置 B.该时刻以后的周期内,质元a通过的路程为1m C.该时刻以后的周期内,质元b通过的路程比质元c通过的路程大 D.该时刻以后的周期内,质元d通过的路程等于A 查看答案
题型:单项选择题 The nurse is teaching a female client with osteoporosis about her prescribed diet. Which of the following foods is the best source of calcium ?()A.1 cup of low-fat yogurt.B.1 cup of skim milk.C.1 oz of cheddar cheese.D.1 cup of ice cream. 查看答案