腮腺炎的临床及超声表现,错误的是()。
A.腮腺弥漫性增大
B.局部皮肤红、肿、痛
C.急性期呈强回声区
D.腮腺结构仍正常
E.腮腺导管无受压
参考答案:C
---Don’t forget to take your cell phone.
---But it’s just been announced that no students bring cell phones to school.
A.shall
B.may
C.can
D.will
卧式机组厂房