For the first multiple choice question regarding pronunciation:

1. The word that has a different pronunciation for the highlighted part is **shown**. The others (**flown**, **grown**, **crown**) all have the /aʊ/ sound, while the "ow" in "shown" is pronounced /oʊ/.

For the second question regarding the position of primary stress:

1. The word that differs in primary stress is **dissolve**, as it has stress on the second syllable (as in dis*SOL*ve), while the others (**present**, **appeal**, **eject**) have stress on the first syllable.

2. The word that has a different stress pattern is **considerate**, which has the stress on the third syllable con*SID*erate, while the others (**continental**, **territorial**, **economic**) have stress on the second syllable.