【多选题】如果实验台明显被传染性污染,可用下面哪种溶液喷洒遇污染物的表面?( )
【简答题】I have a neighbor we call “Happy”. I have never seen her angry at anything and never heard her say a harsh word to anyone or about anyone. Happy and her husband Ben, 70, have a huge garden. They spent...
【单选题】After dinner, I took a ________ around the park.
【单选题】After dinner, I took a______round the city.
【多选题】如果实验台明显被传染性污染,可用下面哪种溶液喷洒遇污染物的表面?( )
【简答题】After dinner I took a _around the park.