Do you celebrate the Mid-Autumn Festival? Do you remember the story ? How did this festival1?

    Long ago, our earth had ten suns. It was too2 for plants to grow, so everyone was poor and hungry.

    Hou Yi climbed to the3 mountain and shot down nine 4 He was a hero! As a reward, the God gave him a special medicine, and it can make him5forever. To keep the6safe, Hou Yi7it to his beautiful wife, Chang'e.

    One day Hou Yi was away. One of his followers, Peng Meng, tried to make Chang'e give him the medicine. Instead, Chang'e had to take it herself, and suddenly she8 up to the moon.

    When Hou Yi returned, he found Chang'e had gone and he missed her. Then he saw 9.It was very bright. A shadow on it looked just like 10.

    He set a table in the garden, with fruits and food for Chang'e.

    Now people still do the same at Mid-Autumn Festival.

如图是一种“闯红灯违规证据模拟器”的工作原理图，光控开关接收到红光时会自动闭合，压敏电阻若同时受到车的压力，其阻值变小，下列说法正确的是（　　）

下列关于“民族区域自治”的表述不正确的是

①如图所示为某原子的能级图，a、b、c这原子跃迁所发出的三种波长的光，在下列该原子光谱的各选项中，谱线从左向右的波长依次增大，测正确的是____②一个中子与某原子核发生核反应，生成一个氘核，其核反应方程式为____．该反应放出的能量为Q，则氘核的比结合能为____．

②H₂S(g）=H₂(g）+S(g）   △H=+20.1KJ/mol

下列判断中正确的是（    ）