【简答题】含水率为 5 %的湿砂 100g ,其中所含水的质量为 。
【单选题】男性,22岁,反复咯血8天,进行性少尿6天入院,血压158/100mmHg,尿常规:尿蛋白+++,尿红细胞+++,入院后病情继续恶化,血压升高加重,血肌酐351μmol/L,血尿素氮17.2mmol/L,考虑诊断为
【单选题】What you should remember is that we should always keep ____ in an emergency .
【判断题】真值是一个变量本身所具有的真实值,一般是无法得到的
【判断题】现代经济中信用货币的发行主体是中央银行。
【判断题】现代经济中信用货币的发行主体是 银行 。
【单选题】How long should we keep the video tapes of surveillance cameras?
A.
You should keep the video tapes for at least five months.
B.
The video tapes should be kept for at least three months.
C.
You should keep the video tapes for at least one month
D.
You should keep the video tapes for at least two months.
【单选题】含水率为5%的湿砂100g,其中所含水的质量是