首页 › 答案 › 题库 › 慕课 › 未分类

Spontaneous dissection of the cervical internal carotid artery (sI-CAD)（） an important cause of ischemic stroke in young adults.

Spontaneous dissection of the cervical internal carotid artery (sI-CAD)（） an important cause of ischemic stroke in young adults.
A.was
B.is
C.are
D.were
正确答案：is

标签：研究生英语科技论文写作

上一条：The experiments （）(carry out) in accordance with the Declaration of Helsinki (2000) of the World Medical Association and the protocols approved by the Institutional Research Review Board at the hospital.

下一条：For the second trial, the apparatus was covered by a sheet of plastic. （） that this modification would reduce the amount of scattering.