小脑囊实性肿瘤,壁结节轻度强化,周围轻度水肿,最可能的诊断是()
A.囊性星形细胞瘤
B.室管膜瘤
C.髓母细胞瘤
D.血管网状细胞瘤
E.囊性转移瘤
参考答案:A
连词成句。
1. was, while, walking, I, saw, to, I, a, in, bird, school, a, tree
2. an, this, story, exciting, is
3. do, sports, you, best, what, like
4.in, he, football, does, playing, well
5. the, morning, I, him, sing, heard, song, this
烘丝机导料筒的作用是()。