小分子营养物质通过_________进入__________的过程就是营养物质的吸收。
消化道上皮细胞;血液
保险工程建筑完成时的总价值不包括()。
A.原材料费用
B.设备费用
C.工人工资
D.安装费
Study the following drawing carefully and write an essay in which you should
1) describe the drawing ;
2) interpret its meaning;
3) support your view with examples.
You should write about 160-200 words neatly.