2012年高考英语高频400单词（含详解）（3）81. I'm afraid this painting is not by Picasso. It's only a copy and so it's _____.A.priceless B.invaluable C.unworthy D. worthless[答案] D. worthless.[注释] worthless 无价值的,
2016考研英语作文真题及答案Section 1 U of English Directious: Read the following text. Choo the best word(s) for each numbered blank and mark A,B,C or D on the ANSWER SHEET.(10 points) In Ca
2012年高考英语高频400单词（含详解）（3）81. I'm afraid this painting is not by Picasso. It's only a copy and so it's _____.A.priceless B.invaluable C.unworthy D. worthless[答案] D. worthless.[注释] worthless 无价值的,
First Aid for BurnsA burn can be painful or painless, according to the degree. The degree of a burn is determined by its location on the body and the number of skin layers affected. A burn can be caus
