关于胆囊结石的描述，错误的是（）。 A.泥沙样结石呈胆囊后壁沉积的强回声带 B.可随 发布时间：2017-06-01 11:42 │ 来源：www.tikuol.com 题型：单项选择题 问题： 关于胆囊结石的描述，错误的是（）。A.泥沙样结石呈胆囊后壁沉积的强回声带B.可随体位改变依重力方向移动C.后方可无声影D.均为强回声团E.壁内结石形成“彗星尾征”
题型：单项选择题 选词填空 with, be, read, study, subject Pingping has a happy family. There 1 three people in her family. Her mother works in a hospital. Her father is a reporter and he likes talking 2 people. Now he is 3 a newspaper on the sofa. Pingping 4 hard at school and her favorite 5 is math. Now she is playing the piano. 查看答案
题型：单项选择题 欧盟委员会5月4日建议欧洲理事会和欧洲议会等决策和立法机构批准给予（）公民免签待遇。此举旨在“回报”（）近期在抑制欧洲难民潮中所作的贡献。A.利比亚B.立陶宛C.叙利亚D.土耳其 查看答案