1．（5分）设集合 $S = \{ \mathbf { x } | ( \mathbf { x } - 2 ) ( \mathbf { x } - 3 ) \geq 0 \}$ $\mathsf { T } = \left\{ \mathbf { x } \vert \mathbf { x } { > } 0 \right\}$ ，则S∩T=（ ）A．[2，3] B $\left( \mathbf { \bar { \tau } } - \infty , \mathbf { \bar { 2 } } \right] \cup \left[ 3 , \mathbf { \tau } + \infty \right)$ C $[ 3 , \ + \infty )$ D $\left( 0 , \ 2 \right] \cup \left[ 3 , \ + \infty \right)$
Answer key
D