电缆铺设时,为了防火,都采取哪些措施
A. 防火堵洞
B. 刷防火涂料
C. 设置防火隔板
D. 穿保护套管
How many independent clauses does a simple sentence contain?
A. 2
B. 3
C. 1
A compound sentence contains 2 independent clauses, true or false?
A. false
B. true
There is only one type of recreation.
A. True
B. False