A:Drink some water.
B:Thank you.
—I ________ in Hainan. The flood stopped me from going there. So I came to Shanghai.
下列各句中,没有语病的一项是( )
某新型手电筒,由蓄电池,开关和三粒相同的LED灯珠连接而成,工作时每粒灯珠都正常发光且电压都为U,关于手电筒的各部分原件下列说法正确的是( )