几道数学题和英语题.求助!
问题描述:
几道数学题和英语题.求助!
数学:(过程)
(1):
1-2+3-4+…+99-100
英语:
In China,weput_____ name_____.
A .last;lastB:first;first
C:first;lastD:family;first
Sheisanewstudent.(改为否定句)
She_____anewstudent.
8+9?
_____eight____nine?
这是我的身份证号.
This is _____________ ______ _______.
His familynameisGreen.(改为同义句
_________his____num.
SheisAnewstudentatschool.(改为一般疑问句)
_________anewstudentstschool?
根据句意及首字母提示填空.
A c______ cantellyou the time(时间),
I cana______your question.
Fiveandthreeise_______.
答
数学题:
看做:1-2,3-4.99-100
实际上就是50个-1相加,结果为-50
英语:
D
isn't
is add
my ID card number
is her
clock ask eight