使用质控图监测质控结果时，如果出现某一结果超过控制界限，下列哪些做法是正确的()

A．立即重新测定同一质控品

B．新开一瓶质控品，重测失控项目

C．将此结果从质控图中剔除

D．用新的校准液重新校准仪器

E．检查仪器状态

Some of my friends are interested in science，but none of them can tell         

A when UFOs will appear next time    B why do horses know the way

C where was this kind of plant found   D how do elephants communicate