【多选题】黏度计是测量流体黏度的物性分析仪器,常见的是阻尼旋转式测量方式,还有毛细管和震动测量方式。黏度指标能够反映谷物:( )。
【单选题】—Where is Sally? —She ______ 'Happy Camp' on the HNTV with her sister. She ______ it very much. [ ]
D.
is watching; are enjoying
【单选题】_______ she was invited to the ball made her very happy.
【判断题】在进行客户满意度调查时,抽样调查的样本越大越好。