运动终板膜上的受体是()
A.M受体
B.N1受体
C.N2受体
D.β受体
E.α受体
参考答案:C
John is a creative person. He can often _____ ideas that are surprising to his classmates.
A.come across
B.come up to
C.come up with
D.come into
确诊败血症的金标准是()
A.血常规异常
B.血培养阳性
C.分泌物培养阳性
D.CRP升高
E.脑脊液培养阳性