方程组的解的情况为()。
A.无解
B.有唯一非零解
C.有唯一零解
D.无穷多解
参考答案:C
骨折三期用药中期可选用:()。
A.复原活血汤
B.桃红四物汤
C.壮筋养血汤
D.当归丸
E.接骨续筋汤
No matter how low you consider yourself, there is always someone ________you wishing they were
that high. [ ]
A. getting rid of
B. getting along with
C. looking up to
D. looking down upon