上颌窦内靠下壁的半圆形软组织影边缘光滑,直径1.0-1.5cm,窦腔内其余部分无异常,应考虑为()
A、息肉
B、粘液囊肿
C、粘膜囊肿
D、血管瘤
E、正常变异
参考答案:C
读下面的短文,在空白处填上合适的单词或句子,使短文意思通顺合理、结构完整。
Shop worker:Hello,_ 小题1:, madam?
Susan:I’d like to choose a T-shirt for my husband.
Shop worker:_小题2: does your husband like?
Susan:Blue.
Shop worker:How about this blue one?
Susan:It’s nice, but I’m afraid it’s too _小题3:__.
Shop worker:What size does he take?
Susan:Size XXL.
Shop worker:This blue one is Size XXL.
Susan:How much is it?
Shop worker:It’s fifty –eight dollars, but there is a sale on today, everything is 小题4:,so you only need to pay twenty-nine dollars for it.
Susan:I’ll _小题5:_ it.
Shop worker: Thank you.
铁染色时,表现为外铁增加,内铁减少的贫血是 ()
A.缺铁性贫血
B.铁粒幼细胞性贫血
C.慢性病贫血
D.珠蛋白生成障碍性贫血
E.巨幼细胞性贫血