Effective vocabulary acquisition is particularly important in the teaching of English. Based on this understanding, analyze the following statements.

I. Enhancing vocabulary power, strengthening and elaborating vocabulary knowledge and developing fluency with known vocabulary are broad lexical objectives.

II. Explicit lexical instruction and learning strategies as well as implicit lexical instruction and learning tasks are effective means for the development of reading skills in ESP teaching.

III. Implicit learning takes place both intentionally and incidentally and is part of the less proficient learner’s practice.

IV. In explicit lexical learning, students consciously search, build and test hypotheses and assimilate rules based on explicit instructions.

Mark the alternative in which every item is CORRECT.