未成熟的柿子、杏子等果实有涩味,是由于细胞液内含有单宁。
查看答案
水稻空壳是由于完成受精作用后营养不良所致。
A. 对
B. 错
Cloze: Complete the passage with the appropriate words or expressions in the box. Change the form when necessary. opponentintellectualput ... to the testartificial.tackleconstructcrackadjusttournament acceleratebreakthroughget the better of Those who champion the cause of ____ intelligence are celebrating a(n) ____. For computer scientists have managed to ____ the problem of how to ____ a computer that can play the ancient game of Go better than humans. In ____ with grand masters the computer has ____ them, defeating one ____ after another. Some welcome the greater power of computers, arguing they will be willing slaves in helping us ____ our problems. Others, like the great scientist Stephen Hawking, fear computers may eventually become independent of us and bring the reign of human beings to an end.
一、中国国防研讨主题(以下2题任选1题作答,制作PPT和报告文本)1. 论述我国武装力量的构成和职责(不少于500字)2. 列举和分析一个国防动员案例(不少于500字)
二、军事思想研讨主题(以下2题任选1题作答,制作PPT和报告文本)1. 论述军事思想的形成发展历程(不少于500字)2. 毛泽东军事思想的战争应用分析(不少于500字)