相同印刷条件下,圆网点的扩大关规律是50%的网点扩大值()80%的网点扩大值。
A.大于
B.小于
C.等于
D.不一定
参考答案:A
下面各式是分解质因数吗?不是的打“×”.
9=3×3______
15=1×3×5______
5=2+3______
12=3×4______.
--- Would you like _______ swimming with me after school?
--- Sorry, I enjoy _______ chess with my father.
A.to go, playing
B.going, playing
C.to go, to play
D.going, to play