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【单选题】
It's a waste of time _________ with such a stupid guy.A.
tried to reason
B.
for trying to reason
C.
trying to reason
D.
to trying reasoning
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When you are worried about whether you are actually measuring what you think you are measuring, you are worried about __________.
A.
internal validity
B.
external validity
C.
reliability
D.
theory
E.
content reliability
【单选题】When you are worried about whether you are actually measuring what you think you are measuring, you are worried about __________.
A.
internal validity
B.
external validity
C.
reliability
D.
theory
E.
content reliability
【单选题】下列属于遗传性溶血性贫血的是
A.
微血管病性溶血性贫血
B.
阵发性睡眠性血红蛋白尿
C.
自身免疫性溶血性贫血
D.
ABO血型不合所致溶血性贫血
E.
葡萄糖-6-磷酸脱氢酶缺陷
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