MRI与CT相比,MRI检查对下列哪项病变显示不敏感()
A.室管膜下出血
B.硬膜下出血
C.脑实质内出血
D.蛛网膜下腔出血
E.脑室内出血
参考答案:D
It’s high time that we students________ harder as the examination is drawing nearer.
A.work
B.will work
C.worked
D.have to work
i5A系列产品型号中“A”取自什么英文单词?