第8题: [单项选择]下列关于肝外胆管结石的说法,不正确的是() A. 胸膝位或脂餐后结石强回声团位置可变动 B. 胆管腔内见形态稳定的强回声团 C. 强回声团后方一定伴声影 D. 强回声团与管壁分界清楚 E. 肝外胆管常扩张,管壁增厚,回声较强 参考答案:C 答案解析:不是所有强回声团后方均可出现声影,许多胆色素结石声影较浅,甚至不明显。
第29题: [填空题]I can’t invite you to dinner this week as I am having my house (paint) ______ at the moment. 参考答案:painted 答案解析:[解析] 本题考查的是词组have sth. done(让某人做……)的用法。如:John went to the town to have his computer repaired yesterd