Pam is very busy and she doesn’t have a lot of time to spend on her hair,and（） 书上答案是：so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?1、若-1＜a＜b＜2,则2a-b的范围是?2、已知a∈R,比较

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Pam is very busy and she doesn’t have a lot of time to spend on her hair,and（） 书上答案是：so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?1、若-1＜a＜b＜2,则2a-b的范围是?2、已知a∈R,比较

Pam is very busy and she doesn’t have a lot of time to spend on her hair,and（） 书上答案是：so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?1、若-1＜a＜b＜2,则2a-b的范围是?2、已知a∈R,比较
Pam is very busy and she doesn’t have a lot of time to spend on her hair,and（） 书上答案是：so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?
1、若-1＜a＜b＜2,则2a-b的范围是?
2、已知a∈R,比较“1+2乘以a的四次方”与“a²+2乘以a的三次方“的大小

Pam is very busy and she doesn’t have a lot of time to spend on her hair,and（） 书上答案是：so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?1、若-1＜a＜b＜2,则2a-b的范围是?2、已知a∈R,比较
so does Ann :所以安妮； so is Ann :所以是安妮.
so it is with Ann:所以Pam是与安妮一样.
-2

第一个题：由于是两个动作一个谓语是is一个是do所以两个一起回答时必须用so it is with 而不能用so does或so is
第二个题：用线性规划a-b＜0，-1＜a＜2，-1＜b＜2，
设c=2a-b
则b=2a-c
以a为x轴b为y轴建立坐标系 把上面的一一画出来 然后用图来找最大值和最小值。。 这样的话应该明白吧。。 不明白的话 我也没办法 呵...

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第一个题：由于是两个动作一个谓语是is一个是do所以两个一起回答时必须用so it is with 而不能用so does或so is
第二个题：用线性规划a-b＜0，-1＜a＜2，-1＜b＜2，
设c=2a-b
则b=2a-c
以a为x轴b为y轴建立坐标系 把上面的一一画出来 然后用图来找最大值和最小值。。 这样的话应该明白吧。。 不明白的话 我也没办法 呵呵
第三个题：两式相减因式分解的话（a-1）（a-1）（2a+1）然后你自己讨论吧

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