混凝土浇捣完成后有何要求?
参考答案:应及时修整,抹平混凝土外露面,待定浆后再抹第二遍并压光或拉毛,抹面时严禁洒水。并及时做好养护工作。
阅读短文判断对(T)错(F)。
Tom and John are good friends. On Sunday they are in John's room. John's room is very clean (干净的)
and tidy (整洁的). There are two windows in his room. Near the window there is a desk. On the desk there is
an ink bottle (墨水瓶), a lamp and some books. Beside the desk there is a bed. On the wall there is a photo
(照片) of John's family.
( ) 1. Tom and John are friends.
( ) 2. John's room is clean but not tidy.
( ) 3. There are no windows in John's room.
( ) 4. There is a chair and a table in John's room.
( ) 5. A lamp and some books are on the desk.
( ) 6. There is a photo of John's family in the room.
新生儿重度窒息,Apgar评分标准为
A.0~3分
B.0~5分
C.0-6分
D.0~2分
E.0~4分