点、疫区、受威胁地和封锁的解除，由（）宣布。
A.原决定机关
B.当地畜牧局
C.省级畜牧局
参考答案：A
下列行为不会对环境造成污染的是（ ）
A．将生活垃圾就地焚烧
B．大量使用农药以防治病虫害
C．生活污水直接排入江河
D．工业废水经处理后循环再用
____, Franks never seems able to do the work satisfactorily. [ ]
A. As hard he tries
B. Try hard as he might
C. As hard as he tries.
D. Try, as hard as he might
