切牙唇向移动1mm可得间隙A．1mmB．1.5mmC．2mmD．2.5mmE．3mm

已知y=f（x）是定义在R上的奇函数，当x≥0时f（x）=x²+2x，则f（-1）=（　　）

A．-3

B．1

C．-1

D．3

道教宗教的核心是什么？

患儿，男，9个月。左眼视力差。CT图像示左眼球内不规则软组织肿块，内有钙化，肿块呈轻度强化，应诊断为（）

A.脉络膜血管瘤

B.视网膜炎

C.视网膜母细胞瘤

D.黑色素瘤

E.视网膜剥离

Topic: Balance between Developing Auto Industry and Protecting the Environment in China

Questions for reference:
1. What benefits can a booming auto industry bring to our nation and our people
2. What are the side-effects of the fast-growing auto industry in China
3. Shall we have more cars or have we had too many cars already Give reasons for your answer.

由美国社会心理学家奥斯古德和坦南包姆提出的是（）

A.功能主义理论

B.平衡理论

C.认知失阔理论

D.一致性理论