Hp最适宜定居的环境是（）。
A.幽门腺黏液表面
B.胃底腺黏液表面
C.胃体腺黏液表面
D.十二指肠黏膜表面
E.以上都是
参考答案：A
My sister said she was _____ in the _____ comics.[ ]
A. interested; interested
B. interested; interesting
C. interesting; interesting
D. interesting; interested
硫(S)属于气相型循环。 [ ]
