容量瓶长期不用时,如何存放?
参考答案:
洗净后,塞子用纸垫上,以防时间久了,塞子打不开。
女性,60岁,间断上腹痛4年。纳差,消瘦贫血。胃镜检查,黏膜红白相间,以白为主()
A.慢性浅表性胃炎
B.A型胃炎
C.B型胃炎
D.胃癌
E.十二指肠溃疡
As is reported, America has again _________ China to raise yuan value recently. [ ]
A. demanded
B. approved
C. pressed
D. arranged