![Nooneunderstoodcholeraandeverytimeitcame,thousandsdied....]( "Nooneunderstoodcholeraandeverytimeitcame,thousandsdied....")
- 问题详情：Nooneunderstoodcholeraandeverytimeitcame,thousandsdied.Neitheritscause61.______itscurewasunderstood.QueenVictoria'sdoctor,JohnSnow,wantedtofind62.______howitwascaused.WhenthediseasecametoLondonagainin1854,Snownoticedthatmostofthe500people63....
- 23111
中文谷