多项选择题 关于心功能不全的防治中，正确的是（ ） A. 可用β肾上腺素受体阻滞剂防止交感神经对衰竭心肌的恶性刺激 B. 限制钠盐的摄入 C. 适当使用利尿剂 D. 改善心肌的收缩性能 E. 吸氧

单项选择题 Why did Jeff Bezons choose Amazon to be the name of his store? A. He wished his store would be the biggest store in the world just like the Amazon river is the longest river in the world.  B. He liked the pronounciation of the word Amazon. C. He chose the word Amazon accidentally.

单项选择题 隐框或半隐框玻璃幕墙的玻璃面板与其周边铝合金框架之间应采用下列哪种材料进行粘结？