what is the difference between these two sentencesChallenges make_英语解答

what is the difference between these two sentences
Challenges make life interesting.
Challenges is what make life interesting.请问这俩句话在中文意思上有区别吗.请从语法上分析一下他们的结构,谢谢.

人气：312 ℃　时间：2019-11-18 09:01:21

解答

第一句
challenges 主语
make 谓语
life 宾语
interesting 补语
就是 make sth + 形容词的公式
第二局
challenges 主语
is 联系动词,谓语
what 是表语从句的连词,在从句中作主语,和联系动词构成系表结构
make 从句的谓语
life 从句的宾语
interesting 从句的补语