先天性肥厚性幽门狭窄患儿特有的体征是（） A.可呕血 B.右上腹扪及橄榄样肿块 C.

倒无菌溶液时手握（）面，先倒少许溶液于（）内，再由（）倒所需液量于（）内

国的根本政治制度是（）

A.人民民主专政制度

B.人民代表大会制度

C.民族区域自治制度

D. * * 党领导的多党合作和政治协商制度

Jason is looking to purchase a 52 inch television. His friend Michael owns an electronic store and offers to sell him a television set having the required screen size for a particular price. Jason decides to take some further time to decide and see if he can obtain a further reduced price from another outlet. He subsequently receives a letter from Michael requesting that he take delivery of the television within a period of 15 days and that he pay the relative price he had offered him.Required:

(a) Explain whether the offer made by Michael has all the requisites for it to be deemed a valid offer made to Jason. (5 marks)

下面哪一项不是当前道德规范上容易出的问题（）

A.自我

B.缺少牺牲精神

C.自命清高

D.自身过高

周而复始地连续盘点库存货品的盘点方法是（）

A.缺料盘点法

B.循环盘点法

C.重点盘点法

D.全面盘点法