Who is sleeping at home?
A:Tom's brother.
B:Tom's father.
C:Tom's mother.
已知数据x1,x2,…,xn的平均数是4,则一组新数据x1+7,x2+7,…,xn+7的平均数是( )
①栽培稻谷遗存 ②鱼纹彩陶盆 ③干栏式房屋 ④司母戊鼎
I=1
S=0
DO
S=2*S+1
I=I+1
LOOP UNTIL I >4
输出S
⑴After I get up, I brush my teeth.
⑵Before I have breakfast, I wash my face and hands.
⑶After I have breakfast, I walk to school.
⑷Before I have dinner, I do my homework.
⑸After dinner, I watch TV.
____