十一届三中全会后对外开放的新格局，下列各项按顺序排列正确的是（    ）
①沿海开放城市  ②沿海经济特区   ③ 沿海经济开放区   ④ 内地

根据短文内容判断下列句子正误。

Dear Mum，

    How are you? I had fun with my cousins last week．On Monday we went to a restaurant．We ate some delicious food．On Tuesday we went to a zoo．We saw many animals．On Wednesday we played ping-pong．On Thursday we stayed at home and watched TV．On Friday we went shopping．I bought a pair of shoes．Tomorrow I'll be back home．

    Yours Ann

已知函数$f\left(x\right)=\left\{\begin{array}{c}2x,\left(x<0\right)\\ g\left(x\right),\left(x>0\right)\end{array}\right.$为奇函数，则$g\left(2\right)$的值为（　　　）