I like abstract paintings because you have to use your own i____ to understand what the painter is trying to do.
用显微镜观察植物细胞时,当视野中看到了如图乙的物像,则应再用____(填图甲中的字母)把物像调至清晰.若显微镜目镜和物镜的放大倍数分别是10X和40X,那么此物像放大了____倍.图丙中含有遗传信息的结构是____(填图丙中的字母).