入上齿的经脉是
A．足阳明胃经B．手阳明大肠经C．足太阳膀胱经D．手少阳三焦经E．足少阳胆经
参考答案：A
I would rather _____ at home than _____. [ ]
A. stay; go out
B. to stay; to go out
C. to stay; go out
D. stay; to go out
耐火材料的使用性能指哪些？
