____(元宵节) is on the 15th of the first lunar month.
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1.下列哪项结构与维持细菌形态有关()
A. 细胞壁
B. 芽胞和细胞壁
C. 荚膜和细胞壁
D. 细胞膜和细胞壁
E. 荚膜
I will take some ____(土特产),such as Beijing Roast Duck.
2.革兰阴性菌脂多糖在()
A. 细胞膜上
B. 磷壁酸上
C. 肤聚糖层上
D. 外膜上
E. 在脂蛋白上
We usually ____(庆祝) the Lantern Festival by eating Tangyuan, making and hanging lanterns.