据估算，真菌病害已使主要粮食作物的产量在全球范围内每年减少1.25亿吨，损失的粮食每年可多养活6亿人。以下属于世界五大主要粮食作物的是：（）。

Beijing Opera was first seen in Shen News during the second year of reign.

2024-01-13 竞赛及其他题库

In the Zhou Dynasty， the system of rites and music had two principles：one principle specified the social hierarchy.The other principle specified the songs and dances accompanying the rites.

2024-01-13 竞赛及其他题库

Facial makeup is used to paint colors on one's face to indicate the disposition， quality， role， and fate.

2024-01-13 竞赛及其他题库

The Han Dynasty beheld two famous musicians， Li Yannian， who sang excellently and composed new songs， and Xue Tan， who was a musical theoretician.

2024-01-13 竞赛及其他题库

After the Sui united China， the music and dances were sorted out and categorized into "nine divisions of music".

2024-01-13 竞赛及其他题库

具有敛肺滋肾、生津敛汗、涩精止泻、宁心安神功效的药物是（）

2024-01-13 竞赛及其他题库

上能敛肺气.下能滋肾阴的药物是

2024-01-13 竞赛及其他题库

有关浅海陆棚相的沉积特征有

2024-01-13 竞赛及其他题库

根据支撑机理，重力流可划分为：

2024-01-13 竞赛及其他题库

形成重力流沉积一般应具有一定的水深和触发机制、足够大的坡度和密度等条件。

2024-01-13 竞赛及其他题库