乙炔的爆炸,与存放乙炔的()有关。
参考答案:容器直径
_____, the Yellow River is the second longest fiver in China and it's the birthplace of Chinese culture.[ ]
A. As a result
B. It is said
C. As well as
D. As we know
甲状腺细胞摄取碘通过()
A.主动转运
B.易化扩散
C.单纯扩散
D.入胞作用
E.出胞作用