题目

Though it was midnight, she found her daughter sitting at the dest, completely ________ her homework.A.absorbing in B.absorbed in C.absorbing into D.absorbed into 答案：【答案】B【解析】考查固定短语。句意：尽管已经是半夜了，她还是发现女儿坐在书桌前，全神贯注地做作业。结合语境可知表示“全神贯注于”短语为be absorbed in，此处省略了be动词，用过去分词作状语。故选B。保持太空清洁的正确措施 [     ]A、尽量少向太空发射航天器 B、将废弃的航天器带回地球进行处理 C、就地在太空爆炸成碎屑物即可 D、宇航员的生活垃圾对太空没有危害不必带回