C#OleDbDataReader thisReader =thisCommand.ExecuteReader()这是啥意思〉?求具体点的注释.写了

C#OleDbDataReader thisReader =thisCommand.ExecuteReader()这是啥意思〉?求具体点的注释.写了 Decembeir1,2006 is the World AIDS Day?A.17th B.18th C.19th D.20th 补全单词m()()th c()()t ( )It's ____today.It is my birthday.A.Wednesday,April 10th B.May,4th,Friday C.7th,September,SundayD.Monday,5th,May 英语翻译A．September 25th,2010.B．July 25th,2010.C．September 25th,2009.D．July 25th 2009. was born on___A.1986,March 9thB.March 9th,1986C.9th march,1986 His birthday isA April 13th B Oct.3 C March D May 9th the L/C must be opened before August 26th. C HOW TO PROGRAM 4TH EDITION怎么样 C HOW TO PROGRAM 6TH EDITION怎么样 C HOW TO PROGRAM 5TH EDITION怎么样 ()()()th()() ()()th()() ()()th()() ()()()th()() ()()()th()() ()()th()() 填写字母,成为单词. When is__Day?It's on__A.Woman's;March 8th B.Mothers';the second Sunday of May C.Teacher's;October 9th D.Teachers';September 10th It was _yestersayA 21th March ; FridayB Friday ; March 21th C March 21th ; Friday D Friday ; march 21st 发音相同不相同throw--thA.these--th( )B.thirsty--th( )C.thing--th( )相同的在括号里写S,不同的写D World Water Day is on _______.A.March 12th B.March 22nd C.Marth 8th Tom is their _____son.a、the 2th b、 2th c、 the 2nd d、 2nd What is today?A.It's March The 11th.B.It's Sundday 17th C.It's Friday.