反应测量结果中系统误差大小程度的是（）。
A、准确度；
B、正确度；
C、精确度；
D、真实度。
参考答案：A
Our club is open to adults only. ______ your children have entered without permission. [ ]
A. There seems that
B. It seems to be
C. There seems to be
D. It seems that
惊厥前伴剧烈头痛，可见于（）.
A.癫痫大发作
B.蛛网膜下腔出血
C.重度失水
D.脑出血
E.脑梗死
