缺铁性贫血所致粘膜组织变化和外胚叶营养障碍,其临床表现是()
A.口腔炎、舌炎、舌乳突萎缩
B.慢性萎缩性胃炎
C.胃酸缺乏
D.胃溃疡
E.杵状指
参考答案:A, B, C
---We will have a school trip next week.
---That sounds _______.I’m sure we will have a good time.
A.well
B.bad
C.greatly
D.good
木工平刨床刀轴的刨刀体采用()刀轴更安全。
A.六棱柱
B.四棱柱
C.多棱柱
D.圆柱