在管材中,属于衬里管的是()。
A.橡胶管
B.铸铁管
C.无缝钢管
D.渗铝管
参考答案:D
若式子x2-3=(x-2)0成立,则x的取值为[ ]
A.±2
B.2
C.-2
D.不存在
The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, _______meant spending tens of thousands of pounds.
A.who
B.that
C.as
D.which