Lookatthesign.Thelibraryis_____(close)from1:00p.mto2:00p.m.

Thenumberofsecondsinoneday_____Thenumberofminutesinoneweek

()Look!Somemeat____inthebox.Someapples_____inthebasket.

将某种酶运用到工业生产前，需测定使用该酶的最佳温度范围。下图中的曲线①表示在各种温度下该酶活性相对于最高酶活性的百分比。将该酶在不同温度下保温足够长的时间，再在酶活性最高的温度下测其残余酶活性，由此得到的数据为酶的热稳定性数据，即下图中的曲线②。据此作出的判断，错误的是

阅读理解，根据短文内容判断正(T)误(F)。

It'sSundaymorning.ThestudentsofClass3aregivingtheirclassroomagoodcleaning.

MissHuang,theirteacher,isworkingwiththem.Thechildrenarebusy.Somearecarryingwater;

somearecleaningthewindows;othersaresweepingthefloor.ZhangHuaisputtingupamaponthe

wall.ItisamapofChina.WangFeiandWeiQingaremendingsomebrokenchairs.Thechildrenare.

listeningtotheradiowhiletheyareworking.Theclassroomlooksniceandbrightafterthecleaning.

Thechildrenareveryhappy.Theygohomeforlunchatnoon.

()1.ThechildrenareplayingintheirclassroomonSundaymorning.

()2.MissHuang,theirmother,isworkingwiththem.

()3.ThereisamapofChinaonthewall.

()4.Twoofthemarerepairingthebrokenchairs.

()5.Theyaresingingwhiletheyareworking.