Question: "line" used in the same way in the following two sentences?

I can't follow your line of reasoning.

The answer to the comprehension question can be found in the third line of the accompanying text.
Answer: different meanings
Question: "unit" used in the same way in the following two sentences?

The centimetre is a unit of length.

Units of nucleic acids.
Answer: different meanings
Question: "hit" used in the same way in the following two sentences?

An interesting idea hit her.

The ball hit the fence.
Answer: different meanings
Question: "go" used in the same way in the following two sentences?

We should go farther in this matter.

She went through a lot of trouble.
Answer:
the same meaning