建筑防排烟系统从防火墙至防火阀的风道钢板厚度不应小于()。
A.1.0mm
B.1.5mm
C.2.0mm
D.3.0mm
参考答案:C
Lily comes from England. She is a nice girl. Her eyes are big and her mouth is small. She has a big family(家庭). Her father(爸爸)is Jack Smith, and her mother’s(妈妈的)name is Kate Smith. They are very kind(和蔼的). Lily has a sister and a brother. Her sister is Helen, and her brother is Paul. Helen has long hair and a round face, but Paul has short curly(卷曲的)hair and a long face. They are in the same school. They like(喜欢)their teachers very much(非常).
根据短文内容,判断正(A)误(B)。(5分)
小题1:Jack Smith comes from China.
小题2:Helen has short hair and a round face.
小题3:Paul has two sisters.
小题4:Helen and Paul are in different schools.
小题5:Helen and Paul like their teachers, very much.
女,24岁,发热,左侧髋骶部疼痛,夜间明显2月余,结合影像学检查,最可能的诊断是()
A.急性骨髓炎
B.转移性神经母细胞瘤
C.尤文肉瘤
D.骨髓瘤
E.骨肉瘤