《人民警察法》规定，公安机关因侦查犯罪的需要，根据国家有关规定，经过严格的批准手续，可以采取技术侦察措施。( )
参考答案：对
单词拼写。
1. He always looked____ (乐观的)even in defeat.
2. The problems facing the President are____ (巨大的)．
3. I have a pain in my throat and it hurts to s____.
4. I think pay is their mam m____for working.
5. Teachers provide a model for children to i____.
目前三板溪水情测报系统雨量传感器的分辨率为2mm。（）
