在1、4、5、8、10、20这些数中,是20的因数有( ),是5的倍数有( )。
1,4,5,10,20;5,10,20
单词拼写(共5小题,计5分)阅读下列各句,根据所给首字母在各题横线上写出所缺单词,使各句语义完整和正确。
小题1:Mr. White is a teacher. He works in a middle s________.
小题2:I g________ up at haft past six every morning.
小题3:In Changsha it's very hot in summer and very c________ in winter.
小题4:I could look a________ myself well when I was ten.
小题5:Please keep your eyes closed. Don't o________ them until I say "OK".
26×49+26.