Rh血型系统与人类关系最密切的抗原有
A、1个E
暂无解析
Ihaveapenfriend，andwealwayssende_____toeachotherbycomputer
()“CanIhelpyou?”“I'dlike______bagsofrice.”
()____wouldyoulike_____breakfast?
图甲所示为基因表达过程，图乙为中心法则，①～⑤表示生理过程。下列叙述正确的是()
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.
