甲亢术前准备,脉率应降至每分钟
A.80次以下B.90次以下C.100次以下D.110次以下E.120次以下
参考答案:B
In relation to employment law:
(b) discuss the tests applied by the courts to determine the existence of a contract of service. (6 marks)
适合用作W/O型乳化剂的HLB值为()
A.0~3
B.3~8
C.8~10
D.10~15
E.15~18