搜题请搜索小程序“爱下问搜题”
问题
判断题
高聚物结晶和金属结晶一样容易。
答案
参考答案：错
选择题
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
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单项选择题
A．物理层
B．数据链路层
C．网络层
D．传输层
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