不属于G蛋白耦联受体的是()
A.α肾上腺素受体
B.β肾上腺素受体
C.胰岛素受体
D.多巴胺受体
E.5-羟色胺受体
参考答案:C
The traffic problems have severely affected economic development. ________ we must spare no
efforts to solve them. [ ]
A. Furthermore
B. Therefore
C. Meanwhile
D. Nevertheless
影响炉渣粘度的主要因素有炉渣成分、温度和炉渣中存在的()。