Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence.

1. Preach   2. Praise   3. Precinct   4. Precept  5. Precede

2,1,5,4,3

To arrange the words in alphabetical (dictionary) order, we compare them letter by letter:

1. Praise (P-r-a...) comes first because 'a' comes before 'e'.
2. Preach (P-r-e-a...) comes next, as 'a' comes before 'c'.
3. Precede (P-r-e-c-e-d...) follows, as 'd' comes before 'p'.
4. Precept (P-r-e-c-e-p...) comes next, as 'p' comes after 'd'.
5. Precinct (P-r-e-c-i...) comes last because 'i' comes after 'e'.

So, the correct dictionary sequence is 2, 1, 5, 4, 3.