根据图所给信息，判断下列说法正确的是（   ）

    11-year-old Jerome is good1running. He usually wins all of the races at Serpentine Primary School in Australia. However, after giving up2 a recent school race, the boy has won hearts of3 people. In the race, the kind boy ran back to walk with his good friend Seth and let him4the finishing line first.

    10-year-old Seth was born with cerebral palsy (脑瘫). Since he moved to the school last year, he5a lot of problems at school. Luckily, Jerome6to help him by the teachers with things like going to the toilet and showing him around. The two boys soon became good friends

    Because of his7Seth has a big head, some students laugh at his appearance. Jerome usually has a word with Tom, asking them 8that. Seth's father can't thank Jerome enough for looking after his son. "He is9 good kid." The two boys' story has spread quickly after Jerome's mother Susan shared it on social media. "These boys are champions10they didn't win," said the proud mother.

动物能够维持____；动物能够帮助植物____，使这些植物能够顺利地繁殖后代；动物能够帮助植物传播____，有利于扩大植物的分布范围．

“过喜伤心”“盛怒伤肝”告诉我们的道理是（    ）
①喜怒哀乐是人之常情   ②“喜”“怒”应该有度   ③过于激烈的情绪对人的身体有害   ④人应该喜怒有常 

有一包固体A，可能含有Cu(OH)₂、CuO、Cu、NaOH、Na₂CO₃、CaCl₂中的几种，取少量的A做如下实验，现象如图所示.

根据实验过程中的现象判断：
（1）气体D是____（填化学式，下同），沉淀G是____。
（2）混合物A中的可能组成有____、____、____。
（3）溶液F中，一定存在溶质是____。
（4）写出过程③中可能发生的化学反应中的一个化学方程式____。
（5）滤液B中，可能存在的溶质是____，若要证明该物质是否存在，应补做实验是（写出主要实验步骤、现象及结论）____ 。