胰腺内外分泌对应关系中错误的是()。
A.胰腺腺泡细胞-胰液
B.胰岛B细胞-胰岛素
C.胰岛A细胞-胰高血糖素
D.胰腺导管管壁细胞-胰岛素
E.胰岛G细胞-胃泌素
参考答案:D
—Did you see a young man in black pass by just now?
—No, sir. I ______ a magazine.
A. read
B. was reading
C. am reading
D. would read
“净土”佛教中认为是佛、菩萨等()的世界。没有尘世的污染,所以叫净土。