实地密度是指印张上（）覆盖率为100%，即印张上被墨层完全覆盖的部分。
A、实地面积；
B、网点面积；
C、图文面积
参考答案：B
茄子幼苗带土移植，主要目的是要更好地保护根。[ ]
"Did Tom help his parents at home?"
" ___________."[ ]
A. Yes, he does
B. No, he wasn't
C. Yes, he was
D. No, he didn't
