【简答题】It was the golden season. I could see the yellow leaves dancing in the cool wind. I felt lonely and life is uninteresting. But one day, the sound of a violin came into my ears. I was so surprised that...
【单选题】It was and I felt cold.
【单选题】M: Did you fall out of bed last night? I woke up because of a big noise. I thought it was thunder, but the sky was clear. W: No, it was the wind. We had left the door open and the wind blew it shu...
【单选题】通过转化(或转染)可将外源性重组DNA导入( )表达
【简答题】It was (wind) and I felt cold.