They often go home ____________.[ ]
A. by bus
B. on bus
C. by the bus
D. by a bus
答案:A
胃和空肠吻合手术后吻合口溃疡最多见的部位是()
A.吻合口部位
B.吻合口边缘空肠侧
C.吻合口边缘胃侧
D.吻合口对侧空肠壁
E.胃与空肠联合溃疡
阅读《从百草园到三味书屋》回答问题。
作者选取了哪三个片断,真实生动地再现了私塾教育?
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