Speech Difficulties in Down Syndrome. Down syndrome (DS) is an incurable genetic disorder that has a profound impact upon a personâs physical, mental, and social development. Children with DS have anatomical and physiological differences in the mouth and throat region that affect feeding, swallowing, and oral motor skills.
1 A gross refers to a group of 144 items (a dozen dozen or a square dozen).  A great gross refers to a group of 1728 items (a dozen gross or a cubic dozen).
Gross Income Test. To meet this test, a person's gross income for the year must be less than $3,950. 1  Gross income is all income in the form of money, property, and services that is not exempt from tax.  Tax-exempt income, such as certain social security benefits, is not included in gross income.