exposed
supposed
proposed
expected
本题考查动词辨析。be exposed to:面临,暴露于,接触到;be supposed to:应该;be proposed to:被提议;be expected to:预计,有望做某事。句子的主语是students,后边的宾语是“更少的商业理论和更多的实践培训”,所以A选项最符合语境。 句意:在这些项目中,学生们接触到的商业理论更少,实际培训更多。