I have two good friends．They are Gina and Jenny, and they are twin(双胞胎之一的)sisters．They come from Singapore．They are 12 years old．They can speak English and Chinese．

    Now the twins are in China．Their family are in China，too．They live in Shanghai．There are five people in their family．They are their parents，their brother and them．Their mother is a doctor．Their father is a teacher．Their brother Alan is very young．He is four years old．He can't go to school．

    Gina，Jenny and I are in the same class．Every day, we walk to school and talk a lot．They say China is a very good place and they like China．

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如图，不能判定 AB∥CD的条件是（   ）

为提高信息在传输中的抗干扰能力，通常在原信息中按一定规则加入相关数据组成传输信息，设定原信息为$a_0{a}_1{a}_2,a_i\in \{0,1\}\left(i=0,1,2\right)$,传输信息为$h_0{a}_0{a}_1{a}_2{h}_1$,其中$h_0=a_0\oplus a_1,h_1=h_0\oplus a_2$，$\oplus$运算规则为0$\oplus$0=0,0$\oplus$1=1,1$\oplus$0=1,1$\oplus$1=0例如原信息为111，则传输信息为01111，传输信息在传输过程中受到干扰可能导致接受信息出错，则下列接受信息一定有误的是（   ）

You must pay attention to the traffic lights.