合成尖晶石代替天然尖晶石时被称为仿制宝石,而代替橄榄石,海蓝宝石等时则被称为合成宝石.
参考答案:错
单词拼写(按要求写出单词正确形式,每个1分,共10分)
小题1:I drew the c_____from the facts that he was hardworking
小题2:He was completely a_____in a book and didn’t hear your call
小题3:I didn’t expect that he should promise with d________(高兴地)
小题4:The man left a good i______on his new boss
小题5:She is his daughter from a p_______marriage
小题6:She is very ______(乐观的)about the outcome of the talks
小题7:The story he told me is _________(难以忘怀的)
小题8:The boy is clever,he is g_____in music
小题9:There is only a t________solution to the problem
小题10:What are the ________(症状)of the first degree burns?
车轮内侧外缘凸起的部分叫轮缘,它的主要作用是防止脱轨。