选择恰当的关联词语填空。

居然仍然果然

1.他虽然有病，但(____)不肯放下手中的工作。

2.今天早上还阳光明媚，下午(____)下起了倾盆大雨。

3.都说张家界山水很美，暑假去游一趟，(____)名不虚传。

只有……才……只要……就……

4.(____)不来台风，妈妈(____)可以收几大箩桂花。5.桂花树开花时，

(____)仔细地在树丛里寻找，(____)能看到那些小花。

Yourfatherandyourmotherareyourp_____

“Earlytobed，earlytorise”makesamanhealthy,wealthyandwise.It'sgoodforthebody.Thisisanoldsaying.Haveyouheardofitbefore?Itmeansthatwemustgotobedearlyatnight，andgetupearlyinthemorning.Thenweshallbehealthy.Weshallalsoberichandclever.Thatistrue.Thebodymusthaveenoughsleeptobehealthy.Childrenofyoungageshouldhaveenoughsleep，ortheycan'tdotheirworkverywell.Theywillnotbewiseandtheymaynotbecome。wealthy!.Thebodyalsoneedsexercise:walking,running,jumping,swimming,playinggamesandallother。exercise.Exercisekeepsthebodystrong.Exercisealsohelpsthebloodtomovearoundinsidethe.body.Thisisveryimportant.Ourbloodtakesfoodtoallpartsofourbody.Theheadalsoneeds.blood.Exercisehelpsustothinkbetter.

根据短文内容，回答问题.

1.Whatdoes“earlytobed.earlytorise”mean?

2.Whatmustthebodyhavetobehealthy?

3.WhatwillhappentoChildrenofyoungagewhodon'thaveenoughsleep?

4.Whatkeepsthebodystrong?

5.Whattakesfoodtoallpartsofourbody?

Ihavetwogoodpenfriends.OneisanAmerican,______isinEngland.

黄曲霉毒素主要是由黄曲霉菌产生的可致癌毒素，其生物合成受多个基因控制，也受温度、pH等因素影响。下列选项正确的是