视神经脊髓炎与多发性硬化的主要鉴别点是什么?
参考答案:
视神经脊髓炎与多发性硬化的鉴别点如下表:
Tod ____ the teacher’s instruction, or he could not have won the first prize in the English Speech Contest.
A.has got
B.gets
C.got
D.would get
当P假Q假时,()判断形式为().
A.P并且Q
B.P或Q
C.如果P那么Q
D.P要么Q