.竹脚手架采用生长期为( )以上的毛竹(楠竹)为材料,并用竹篾绑扎搭设。
A. 1年
B. 2年
C. 3年
D. 5年
You should be directly ______ with this issue to make an accurate report of it.
A. informed
B. notified
C. acquainted
D. enlightened
Jack is so ______ to his appearance that he never has his clothes pressed.
A. adverse
B. hostile
C. indifferent
D. casual
脚手架内的安全平网至少挂设首层网、随层网和层间网等( )。
A. 3道
B. 5道
C. 8道
D. 10道