厚朴抗溃疡作用机制主要是()
A.中和胃酸
B.抑制胃酸分泌过多
C.抑制幽门螺旋杆菌
D.促进胃黏膜修复
E.促进前列腺素的释放
参考答案:B
I find _______difficult to get to sleep because the man upstairs made much noise.
A.it
B.this
C.that
D.him
面团征