治疗氢氰酸中毒时应（） A.先注射阿托品，后注射硫代硫酸钠 B.先注射亚硝酸钠，后注

根据粪便的形状、组成，可以间接判断（）系统的功能状况。

A．泌尿

B． 消化

C．免疫

D． 呼吸

He is only too ready to help others, seldom, _____ , refusing them when they turn to him.

A．if not

B．if never

C．if any

D．if ever

Thembi’s black cat goes missing and she places an advertisement in the local newspaper offering a reward of P700·00 to anyone providing her with information about her missing cat. Kgosi, Thembi’s neighbour, hears from Thembi’s son that the cat is missing. One day while driving home from work, Kgosi sees the missing cat near the supermarket and picks it up. When he returns Thembi’s cat to her she is delighted but says nothing about the reward. The next day Kgosi reads the advertisement in the newspaper and he then makes inquiries about the reward. Thembi now refuses to pay the reward saying that she has changed her mind about paying the reward.Required:Explain whether Kgosi can claim the P700 from Thembi under the law of contract. (10 marks)

砌体必须（），砌体顶部四角应水平一致；砌体的（）、（）应符合图纸要求。

货币市场基金投资于同一公司发行的短期企业债券的比例，不得超过基金资产净值的 20%。( )