《卫生局有害生物扩散事件卫生应急预案》规定由（）宣布解除封锁隔离。
A.市卫生计生委
B.市政府
C.原决定机关
D.区（市）政府
参考答案：A
You should be yourself and celebrate because _____. [ ]
A. no one is quite like you
B. you're very clever
C. you are a good student
D. you have many talents
从下列诗句所描述的各种自然景观看，生态环境较差的是 [ ]
A．大漠孤烟直，长河落日圆
B．探花蛱蝶深深见，点水蜻蜓款款飞
C．两只黄鹂鸣翠柳，一行白鹭上青天
D．稻花香里说丰年，听取蛙声一片
