砼结构工程拆模时间:不承重侧墙模板,在砼强度达到2.5MPa时即可拆除;承重结构顶板和梁,跨度在2~8m强度达到70%时方可拆除。
参考答案:对
Hi. I’m Lingling. I’m a student at No. 14 Middle School. Do you want to know my life? Let me tell you about it. I usually get up at 7:00 in the morning. I have my breakfast at 7:10. My parents always prepare(准备)the breakfast for me. I go to school at 7:30. We have seven lessons every day from Monday to Friday. I like English lessons very much .After school, I like playing table tennis and basketball with my friends. There is a very big playground in our school.
小题1:I have my breakfast at ______.
A.7:00
B.7:10
C.7:30
D.7:20小题2:I have seven lessons ______.
A.every day
B.at the weekend
C.in the afternoon
D.five days a week小题3:I like ______ very much.
A.English
B.Chinese
C.art lesson
D.swimming lesson小题4:There is a big ______ in No. 14 Secondary School.
A.garden
B.library
C.swimming pool
D.playground小题5:I like playing ______ with my friends.
A.table tennis and basketball
B.football
C.football and basketball
D.volleyball
《传染病防治法》规定的甲类传染病有()《母婴保健法》所指的指定传染病有()
A.艾滋病
B.黄热病
C.肺炭疽
D.鼠疫
E.渗出性皮肤病