肛门直肠的血液来自A.直肠上动脉 B.直肠下动脉 C.肛门动脉 D.骶中动脉 E.以 发布时间:2017-05-25 10:44 │ 来源:www.tikuol.com 题型:单项选择题 问题: 肛门直肠的血液来自A.直肠上动脉B.直肠下动脉C.肛门动脉D.骶中动脉E.以上都是
题型:单项选择题 There is no need to add in trees to create shade because many town and city gardens are __________ shaded by buildings.A.occasionallyB.instantlyC.permanentlyD.roughly 查看答案