提高对腰椎间盘突出诊断的精确性,确定手术部位的特殊检查是()
A.椎管造影
B.B超检查
C.MRI检查或CT检查
D.腰椎正侧位片
E.可视性椎间盘造影
参考答案:C
写作题。
请根据下列图画内容和所给的词语提示,以“How John Keeps Fit"为题,写一篇字数在80词左右的英语短文。
具体要求:
(1)层次清晰,语意连贯。
(2)所给的提示词语要全部用上。
(3)短文题目和前两句已给出,但不计人总次数。
提示词语:always,take exercise,like,sports,such as,go to bed, get up, take care of,
take a bath(洗澡),every day, wash, before meals, all kinds of, healthy food, like, fruit, so. look, healthy
How John Keeps Fit
It's important for us to keep healthy. John gives us a good example.__________________________________________________________________________________________________________________________________________________________________________________________
把3块磁体从中间等分成6块可获得()个磁极。
A、6
B、8
C、10
D、12