2. N_ _ _ t_ _ _ _ _ skills which require students to write key information from lectures are essential for

The missing phrase in your sentence seems to be "Note-taking". Here's the sentence with the missing phrase filled in:

2. Note-taking skills, which require students to write key information from lectures, are essential for...

Here are the steps to develop effective note-taking skills:

1. Be Prepared: Before the lecture begins, make sure you have all the necessary materials. This could include a notebook, pens, highlighters, and a laptop or tablet if you prefer digital notes.

2. Listen Actively: Pay close attention to the lecture. Try to understand the main ideas and supporting details.

3. Write Down Key Points: Don't try to write down everything the lecturer says. Instead, focus on the key points and important details. Use abbreviations and symbols to write faster.

4. Use a Note-Taking Method: There are several note-taking methods you can use, such as the Cornell method, the outline method, or the mapping method. Choose the one that works best for you.

5. Review and Revise Your Notes: After the lecture, review your notes and fill in any missing details while the information is still fresh in your mind.

6. Organize Your Notes: Keep your notes organized by date and topic. This will make it easier to find the information you need when studying.

7. Practice Regularly: Like any other skill, note-taking improves with practice. The more you do it, the better you'll get at identifying the key points in a lecture and writing them down quickly and accurately.