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一、选择四《－）单选题1．蓝藻是原核生物，过去也把它作为一类植物，这是因为它具有………………………………………………（）A蛋白质B．核酸C糖类D光合作用色素2当人情绪激动时，分泌量会迅速增加的激素是（）A甲状腺激素B．肾上腺素C．肾上腺皮质激素D．胰高血糖素3随着环
First, choose four "-) single choice questions 1. Cyanophyta is a prokaryotic organism and it was also used as a plant in the past because it has ..................................... () A protein B. Nucleotide C Sugar D Photosynthesis Pigment 2 When a person is emotional, the hormone that will increase rapidly is () A thyroid hormone B. Adrenaline C. Corticosteroid D. Glucagon 3 with ring