湘剧是哪一级的非物质文化保护遗产项目？
参考答案：是全国非物质文化保护遗产项目。
TCR识别抗原的信号传递是通过（）
A.CD2
B.CD8
C.CD4
D.CD79
E.CD3
10. Then you usually lie there just ____ the ceiling, thinking about everything that could go wrong.
A．glancing at
B．watching at
C．glaring at
D．staring at
