夏王朝建立后,将其领土划分为九州,派九牧进行治理,在九州范围内根据土地的肥沃程度缴纳贡赋,称为( )。
A.任土作贡
B.相地而衰征
C.租税亩
D.均税法
参考答案:A
句型转换(5%,每线0.5)
小题1:“When will he have a concert?” the boy asked.(改为间接引语)
小题1:
The boy asked he have a concert
小题2:These tigers are facing great danger.(改为感叹句)
小题2:
_________ ________ danger these tigers are facing!
小题3:Was he killed? Did he kill himself? I wonder. (合并为一句)
小题3:
I wonder _________ he was killed _________ he killed himself.
小题4:We shall make an extra model.(改为同义句)
小题4:
We shall make __________ ___________ model.
小题5:To prevent us from floating in the air, we must wear special boots.(提问)
小题5:
_________ _________ we wear special boots?
(四) 综合安全技术
《煤矿安全规程》对矿井氧气含量有严格规定,其中( )一般安装在地面,通过人工取样分析矿井气体成分浓度。
A.瓦斯报警矿灯
B.气相色谱仪
C.光干涉瓦斯检定器
D.瓦斯、氧气双参数检测仪