Thestudentswerehavingtheirchemistry(化学）class.MissLiwastellingthestudentswhatwaterwaslike.Afterthat,sheaskedherstudents,"What'swater?"Noonespokeforafewminutes.MissLiaskedagain,"Whydon'tyouanswermyquestion?Didn'tItellouwhatwaterislike?"

　　Justthenastudentputuphishandandsaid,"MissLi,youtoldusthatwaterhasnocolorandnosmell.However,wheretofindsuchkindofwater?Thewaterintheriverbehindmyhouseisalwaysblackandithasabadsmell."Mostofthestudentsagreedwithhim.

　　"I'msorry,children."saidtheteacher,"Ourwaterisgettingdirtieranddirtier.That'saproblem."

　　Choosethebestanswer:

　　1.Whatwerethestudentsdoing?

　　A.TheywerehavinganEnglishclass.

　　B.TheywerehavingaChineseclass.

　　C.Theywerehavingachemistryclass.

　　D.Theywerehavingamathclass.

　　2.MissLiwastellingthestudents()

　　A.whatwaterwaslike

　　B.whatairwaslike

　　C.whatearthwasliak

　　D.whatweatherwaslike

　　3.Whatcoloswasthewaterintheriverbehindthestudent'shouse?

　　A.Itwaswhite

　　B.Itwasblack

　　C.Itwasclean

　　D.Itwasclear

　　4.Mostofthechildren()thestudent

　　A.agreedwith

　　B.wroteto

　　C.heardfrom

　　D.sentfor

　　5.Whydidthewaterintheriverhavecolor?

　　A.Becauseitwasgettingmoreandemore

　　B.Becauseitwasgettinglessandless

　　C.Becauseitwasgettingcleanerandcleaner

　　D.Becauseitwasgettingdirtieranddirtier

　　学生们正在上化学课.李老师正在告诉他们水是什么样子的.然后,她问他的学生们,什么是水?一时间没有人说话.李老师又问了一遍,为什么你们不回答我的问题?难道我没有告诉你们水是什么样的么?

　　然后又一个学生举起了手说,李老师,你告诉我们水是无色无味的,然而,上哪去找这样的水呢?我家门前江里的水总是黑的还有一股难闻的味道.许多学生都同意她的说法.

　　对不起,孩子们.老师说,我们的水正在变得越来越脏.那的确是个问题