A:2
B:﹣2
C:2或﹣2
D:12
下列词语中没有错别字的一项是( )
①达到稳定结构时,氯原子只需要1个电子,而硫原子需要2个电子
②氯的含氧酸比硫的含氧酸的酸性强③还原性S2﹣>Cl﹣
④稳定性HCl>H2S⑤酸性HCl>H2S⑥H2S+Cl2=S↓+2HCl
⑦2Fe+3Cl2 △__ 2FeCl3 Fe+S △__ FeS
⑧Cl2与H2在光照或点燃下反应,而硫与H2加热下才反应.
根据短文理解,从A、B、C、D四个选项中选择最佳答案填空。
I have a cousin. 1 name is Eric. He is 2. He likes music and he can play 3 very well. But he 4 want to join the music club. He wants 5 the art club. He wants to learn 6. I don't like music 7 art, I like sports. I can play tennis. I can 8 swim but I can't swim 9. I want to join the sports club. My friends are in that club. I want to play sports with 10.
形近字组词
炸____ 作____
爆____瀑____