【单选题】以下对非参数检验的描述错误的是
D.
一般情况下非参数检验犯第二类错误的概率小于参数检验
【单选题】对某片剂进行脆碎度检查,测试前片剂的总重量为6.621g;测试后片剂的总重量6.593g;该片剂的脆碎度是多少?( ):
【判断题】在Excel2003中,管理宏就是新建宏、移动宏、复制宏及删除宏。
【单选题】Solar panels Listen to the interview and choose the correct answer for each question. 1. How did Bob get the money to buy his new car?
A.
He put solar panels on his roof.
B.
He got a second job with a solar panel company.
C.
He worked on his roof.
【单选题】[音频] 根据音频选择正确的答案。 How did Bob get the money to buy his new car?
A.
He put solar panels on his roof.
B.
He got a second job with a solar panel company.
C.
He worked on his roof.
【简答题】他长得又高又壮。他长着一双大眼睛,短发。