几道数学题和英语题.求助!

几道数学题和英语题.求助!

题目
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, we put _____ name_____.
A .last;last B:first;first
C:first;last D:family;first
She is a new student.(改为否定句)
She_____a new student.
8+9?
_____eight____nine?
这是我的身份证号.
This is _______ ______ ______ _______.
His family name is Green.(改为同义句
____ _____his____num.
She is A new student at school.(改为一般疑问句)
_____ ____a new student st school?
根据句意及首字母提示填空.
A c______ can tell you the time(时间),
I can a______ your question.
Five and three is e_______.
答案
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
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想找英语初三上学期的首字母填空练习……
英语翻译
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