面部疖肿易引起海绵窦感染的原因是()
A.面部血管丰富
B.面部淋巴管丰富
C.面部静脉无瓣膜
D.鼻腔和颅腔相近,感染直接扩散
E.面部静脉与海绵窦相通
参考答案:C, E
Distinguished guests and friends, welcome to our school, _____the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad.
A.Attend
B.To attend
C.Attending
D.Having attended
兴都公司与纺织厂签订一份棉花买卖合同,双方约定先由纺织厂交付总价额50%的价金,兴都公司收到该款后将全部货物的仓单背书给纺织厂,纺织厂在提货并验收以后1个月内付清余款。请问:兴都公司与纺织厂约定的是哪种类型的交付,所交付棉花所有权从什么时候起转移?()
A.现实交付
B.拟制交付
C.棉花所有权自纺织厂收到仓单时转移
D.棉花所有权自纺织厂提到货物时转移