血浆HCO-3的参考值范围是()
A.7.35~7.45
B.7.25~7.35
C.22~27mmol/L
D.40~45mmol/L
E.8~16mmol/L
参考答案:C
Last week only two men came to look at the house, ________ wanted to buy it.
A.neither of whom
B.neither of them
C.both of them
D.both of who
有人认为,高考是很重要的考试,一年只有一次,应该让迟到考生进场考试. 如果以下各项为真,最能削弱上述观点的是:
A.不让迟到考生进场,有可能错失选拔优秀人才的机会
B.高考是很重要的考试,但并不一定会决定考生的命运
C.美国的高考-SAT考试,允许迟到的考生进场考试
D.遵守考场规则与考试的重要性、每年举行的次数无关