The best way by a teacher to introduce a new subject by

Giving a broad outline of the subject
Relating it to daily life situation
Relating it to previously studied subject or course material
Any of these

The best way for a teacher to introduce a new subject is by relating it to daily life situations. This will help students to see how the subject is relevant to their own lives and make it more interesting for them. It will also help them to understand the subject better by providing them with a context in which to learn it.

Option A, giving a broad outline of the subject, is also a good way to introduce a new subject. This will help students to get an overview of the subject and see how it fits into the overall curriculum. However, it is important to make sure that the outline is not too detailed, as this can be overwhelming for students.

Option B, relating it to previously studied subject or course material, is another good way to introduce a new subject. This will help students to see how the new subject builds on what they have already learned. However, it is important to make sure that the connection is clear, as students may not be able to see it on their own.

Option C, relating it to daily life situation, is the best way to introduce a new subject. This will help students to see how the subject is relevant to their own lives and make it more interesting for them. It will also help them to understand the subject better by providing them with a context in which to learn it.

In conclusion, the best way for a teacher to introduce a new subject is by relating it to daily life situations. This will help students to see how the subject is relevant to their own lives and make it more interesting for them. It will also help them to understand the subject better by providing them with a context in which to learn it.