comprehensive review of the field or related fields always is needed in the Introduction section, even is lengthy. 答案:错 点我阅读全文
poisonous It consists of 10 pages of text, 2 tables, 2 pages of ____ to figures, and 6 photocopies of figures.答案:legend 点我阅读全文
Directions: Revise the following sentences where necessary. Accumulating evidences exist that grape polyphenols work in 点我阅读全文