三废的控制应按照排放物治理和排放、排放物循环、减少污染源的四个优先级顺序考虑。
参考答案：错
下列与华人胰岛素依赖性糖尿病密切相关的是()
A．HLA-DR9
B．HLA-DR4
C．HLA-B27
D．HLA-DR2
E．HLA-DR5
My friend showed me round the town， _____ was very kind of him.
A．which
B．that
C．where
D．it
