Answer:
Subject: The Chinese New Year...
Predicate: ...Is an important traditional holiday in China.
Step-by-step explanation:
The subject of a sentence is the what or who is about, while the predicate tells something about the subject.
To identify the subject of a sentence you must first identify the main verb and then ask it what? or who?. The verb in the sentence is IS so we need to ask what is an important traditional holiday in China? The answer to this question gives us the subject.
The predicate is telling something about the subject and always includes the verb.
I hope this answer helps you.