()喷浆层仅起保护作用,不承担结构应力,其中金属网仅起加筋和连接喷层的作用。
A、喷浆修补
B、刚性网喷浆
C、柔性网喷浆
D、无筋素喷浆
参考答案:C
单词拼写(共10小题;每小题1分,共10分)
小题1: In the old times, many political leaders were not thought ________(高度评价) of.
小题2:Father _______ (承诺,许诺)to buy me a computer if I do well in the final examination.
小题3: He is _______(诚实的) and he never tells lies.
小题4:Once he was the _______ (教练)of our football team
小题5:Many rare animals are in ________(危险)because they are being hunted for.
小题6:While reading, please pay much __________ (注意)to your pronunciation.
小题7:Our school was _________ (设计)by a famous professor from Tongji University.
小题8:People say that barking dogs don’t ________ .(咬)
小题9:Dave didn't __________ (回复)to any of her emails, which made her angry.
小题10:I am busy, so I have to e_________ (雇佣)a housekeeper to look after my children.
下列各组离子在特定条件下一定能够大量共存的是( )
A.含有较多Al3+的溶液:HCO3-、K+、Na+、Cl-
B.加入铝粉有氢气生成的溶液:SO42-、Cl-、K+、Na+
C.能使石蕊试纸变红色的溶液:K+、Fe2+、NO3-、Na+
D.含有较多Fe3+的溶液:Na+、SO42-、I-、SCN-