淋巴管瘤的病理分类，哪项说法是正确的（）。 A.单纯性淋巴管瘤和蔓状淋巴管瘤 B.蔓

— Do you know if he ______ to play basketball with us?

— I think he will come if he ______ free. [ ]

A.comes; is

B.comes; will be

C.will come; is

D.will come; will be

汉译英：“到货地点、启运口岸、到达口岸”。( )

A．place of despatch; place of arrival; port of destination

B．place of arrival; place of despatch; port of destination

C．place of arrival; port of destination; place of despatch

D．port of destination; place of despatch; place of arrival

女性，19岁。右下颌后牙出现肿痛张口稍困难3天磨牙萌出不全，酿瓣红肿覆盖大半牙冠，龈袋内有脓汁溢出76颊侧牙龈缘红肿，拟诊断为（）

A.8急性冠周炎

B.7急性牙周炎

C.7急性根尖周炎

D.6急性牙周炎

E.6急性根尖周炎

在上下前牙覆骀、超突关系正常后，牙合垫应如何除去

A．保留殆垫一个月，再分次磨除胎垫

B．保留骀垫6个月，再分次磨除胎垫

C．保留胎垫1个月，一次磨除牙合垫

D．逐渐分次磨除胎垫

E．立即去除胎垫