37+47=1;
答:这批图书搬完了.
As nobody here knows what is wrong with the machine, we send for an engineer to handle the problem.
A.should
B.must
C.can
D.would
在技师论文写作中,根据内容的需要,经常会运用(),从而使文章达到图文并茂的最佳效果。
A.标注
B.表格
C.说明
D.插图