A:颇负盛名(很,相当地) 大喜过望(名望,声誉)
B:众星拱月(拿出) 聊胜于无(超过)
C:前仆后继(向前跌倒) 临危不惧(遇到,面临)
There is ruler, eraser and some pens in my pencil-box.
设a→、b→是不共线的两个向量,已知AB→=2a→+kb→,CB→=a→+3b→,CD→=2a→﹣b→,若A、B、D三点共线,求k的值.
用现代汉语翻译下面句子。
____ ____ ____ I woke up this morning, my mom had cooked breakfast.