金属门窗框与墙体之间的缝隙应填嵌饱满,并采用密封胶密封。密封胶表面应()。
A.光滑
B.顺直
C.无裂缝
D.强度高
参考答案:A, B, C
小题1:.What can you know from Sign(1)?
A.We can’t smoke here
B.We can’t skate here
C.We can’t wash clothes here
D.We can do shopping here小题2:. From sign (1)we also know we can not______ here.
A.stay for long
B.fish
C.throw dirty things
D.go boating小题3: From Sign ( 2 )we know we can _________here.
A.play computer games
B.stay ovenight
C.have something to eat
D.have a good sleep小题4: Sign (2)means________.
A.food can’t be eaten right away
B.the cold sandwiches are for home cooking
C.the lost keys may be found here
D.you can take your food away小题5: Sign(3)means you can______here.
A.have breakfast on Saturday
B.have dinner at 10:00 P .M . on Monday
C.have dinner every day
D.have something at 10:30 P . M . on Tuesday
溶血指数