机动车发生财产损失交通事故，对应当自行撤离现场而未撤离的，交通警察不可以责令当事人撤离现场。
参考答案：错
—Is Jessica giving us a speech this evening?
—No, it _________ be her．She _________ to Japan．
A．mustn't；has gone
B．mustn't; has been
C．can't; has gone
D．can't; has been
腹部B超提示肾钙化见于
A．急性肾小球肾炎B．单纯性肾病C．IsA肾病D．远端肾小管酸中毒E．溶血性尿毒症综合征
