1, this is written to better show the noble character of camel's unswerving treasure hunt for the benefit of everyone. No matter whether the situation is good or bad, it can't shake its thoughts and will. (That's right)

The camel said that he already had a camel bell, so he didn't need this ornament. Camel said that he had been helped by everyone when traveling in the desert, and he couldn't keep the gold medal for himself. He declined politely one by one. (That's right)

3、C

4. "ellipsis".