大脑皮质运动区病变引起的瘫痪多表现为()
A.单瘫或不均等偏瘫
B.完全性均等性偏瘫
C.交叉瘫
D.四肢瘫
E.截瘫
参考答案:A
The five-year-old boy can ________ speak English ______ sing beautiful English songs. It's
incredible. [ ]
A. not; but
B. either; or
C. not only; but also
D. neither; nor
铁块和铝块的质量和初温相同,当它们(c铁<c铝)放出相同的热量后,相互接触,则 ( )
A.它们之间没有热传递
B.热量从铁块传向铝块
C.热量从铝块传向铁块
D.温度从铝块传向铁块