治疗花粉症最有效的方法是()。
A.鼻腔局部应用糖皮质激素
B.抗组胺药
C.免疫疗法
D.避免与变应原接触
E.翼管神经切断等手术
参考答案:D
—I borrowed two books from the library yesterday.
—Be careful. If you lost it you must _____ it.
A. pay
B. pay for
C. cost
D. spent
肠上皮化生常见于()。
A.急性胃炎
B.慢性萎缩性胃炎
C.十二指肠溃疡
D.慢性肠血吸虫病
E.溃疡性结肠炎