离心鼓风机安装前,无垫铁安装法埋设的临时垫铁安装水平偏差不应大于0.20/1000,其标高允许偏差为±()mm。
A、1
B、1.5
C、2
参考答案:C
关于急性水肿性胰腺炎哪项是错误的()。
A.可见轻度黄疸
B.疼痛一般剧烈
C.常继发于胆道疾病
D.大多数病人可出现休克
E.少数病人可发生假性囊肿
A.To question the opinion about pocket money.
B.To compare Stephens with other financial experts.
C.To explain that parents should. be strict when children are developing good habits about money.
D.To suggest that pocket money is useless in developing a child’s sense of responsibility.