已知方程4x+2m=x+1和方程3x=6x+1的解相同,则m= .
1
方程3x=6x+1的解,把代入方程4x+2m=x+1,得m=1
轻度或中度高血压患者术前要求血压
A.降至正常
B.维持原水平
C.降至原水平的低点
D.降至比正常略低
E.以上都不对
There are three______ workers in this factory. My brother is in it ,too.
A.thousand
B.thousands of
C.thousand of
D.thousands