牙尖交错位时，只与一个牙相对的牙是（）
A.A
B.B
C.C
D.D
E.E
参考答案：D
政府为了履行环境保护职责，确保环境影响评价相关法律的贯彻执行，制定了一系。列环境保护的具体政策，这体现了环境影响评价的（）特性。
A．法律强制
B．政策严肃
C．政策针对
D．工作公正
同义句变化。
1. In the tree there is a bird.
A bird _____ in the tree.
2. Ann isn't wearing a red sweater.
Ann isn't _____ a red sweater.
3. Li Lei is a friend of mine.
Li Lei is _____ _____.
4. Mr. Chen is at work now.
Mr. Chen _____ _____ now.
5. Are we all here today?
_____ _____ here today?
