题目内容：
脊椎动物：哺乳动物（ ）。
A．节肢动物：甲壳动物 B．软体动物：棘皮动物
C．鱼：爬行动物
D．鸟：两栖动物
参考答案：
答案解析：
单选题：脊椎动物：哺乳动物（ ）。
- 题目分类：行政能力
- 题目类型：单选题
- 号外号外：注册会员即送体验阅读点！
B．软体动物：棘皮动物
C．鱼：爬行动物
D．鸟：两栖动物
B．软体动物：棘皮动物
C．鱼：爬行动物
D．鸟：两栖动物
Which of the following requests typically gives the customer
Which of the following requests typically gives the customer many options to cho
A Fixed Price contract is typically sought by the customer’s
A Fixed Price contract is typically sought by the customer’s project manager whe
A written or pictorial document that describes, defines, or
A written or pictorial document that describes, defines, or specifies the servic
You work for General,a company which produces cars. You` are
You work for General,a company which produces cars. You` are in charge of Produc
我们经常说“六畜兴旺，五谷丰登”。“六畜”是指猪、牛、马、羊、狗、鸡六种，其中人工驯化最早的是（ ）。
我们经常说“六畜兴旺，五谷丰登”。“六畜”是指猪、牛、马、羊、狗、鸡六种，其中人工驯化最早的是（ ）。A．猪 B．牛 C．狗 D．鸡