制备好的试样应贮存于什么容器中,并贴上标签()
A.广口瓶
B.烧杯
C.称量瓶
D.干燥器
E.容量瓶
参考答案:A
By popular consensus, great painters can mix the colours together within a short period of time to get the __________colour.
A.explicit
B.desired
C.generous
D.romantic
下列程序的输出结果是( )。 main( ) { int x=0,y=5,z=3; while(z-->0&&++x<5) y=y-1; printf(“%d,%d,%d\n”,x,y,z); }
A.3,2,0
B.3,2,-1
C.4,3,-1
D.5,-2,-5