x-2y-5a+6=x-( )
A.-2y-5a+6
B.2y-5a+6
C.2y+5a-6
D.2y+5a+6
x-2y-5a+6=x-(2y+5a-6),故选C.
执行下面的程序段后,S的值为______。 s=5 For i=2.6 To 4.9 Step 0.6 s=s+1 Next i
肝经郁火可见()
A.呕吐酸腐
B.呕吐清水
C.呕吐痰涎
D.呕吐酸臭
E.呕吐黄水