解不等式:2x-3≤1.
移项,得2x≤3+1,
即2x≤4,
解得:x≤2.
When I came in her room, Mary was ________ in her book.[ ]
A.absorbed
B.controlled
C.exposed
D.devoted
关于肾上腺皮质醇增多症的描述不正确的是()
A.肾上腺增生可为结节性和弥漫性
B.肾上腺皮质腺瘤T2WI信号类似于脑脊液信号
C.糖皮质激素分泌过多
D.肾上腺皮质腺瘤多为单侧
E.多为肾上腺增生所致,少数为肾上腺皮质腺瘤