模板工程中,柱箍间距按柱截面大小及高度决定,一般控制()
A.500~1000mm
B.1000~1500mm
C.1500~2000mm
D.2500~3000mm
参考答案:A
根据所给的情景选择合适的表达。
1.当你想知道“她是谁”时,你说[ ]
A. Is this she?
B. Who is he?
C. Who is she?
2.当别人问你,“这是你爷爷吗?”,你可以回答: [ ]
A. Is this your grandfather?
B. Yes, he is.
C. No. she isn't.
3.你想看一看对方的家庭照片,你说:[ ]
A. Is this your family photo?
B. Can I have a look at your family photo?
C. Yes, it is.
4.你猜测她是对方的妈妈时,你会说:[ ]
A. She's your mother, I think.
B. Is she your mother?
C. She's not your mother.
5.当你不确定这是不是对方的爸爸时 [ ]
A. This is your father.
B. Is this your father?
B. He is your father.
痰液检查恶性细胞下列哪项是错误的()
A.清晨痰液为好
B.尽量从气管深部咳出
C.可以在纤维支气管镜下直接取支气管液做涂片
D.如果无痰,涎水也可
E.痰液必须新鲜