这就是我们去年参观的那个工厂

Showusaroundthelibrary.

按规定的条件和要求,对产品或零件进行直到破坏为止的试验.破坏性试验,也称为强制降解试验（stressingtest）,它是在人为设定的特殊条件下,如酸、碱、氧化、高温、光照等,引起药物的降解,通过对降

WevisitedtheGreatWalllastyear.

ItisknowntousallthatsmokingisharmfultoourhealthThisisthehousewelivedinlastyea

1.Thisisthefactorythatwevisitedlastyear.2.Whoisthegirlthatiscrying?3.Thefilmwhichwesawyeterdaywasver

Lastsummer,myfamilyandIwentonatripinDalian.WevisitedtheOceanParkandwatchedthedolphinshow.

Thatisthegirlwhowassavedlastyear.

1.ThisisthefactorywhichIvisitedafewdaysago.2.IwanttotellyousomethingwhichIhaveheardof.3.Welikethefoo

Wehadameeting atwhichwewere talkingaboutmanyissuesyesterday.Thereasonwhywecamehereisasking

1生产者2叶绿体,光能,二氧化碳和水,氧气3群落1先皮肤就是一层上皮组织；因为皮肤划破后会疼,所以有兴奋的传导和传递,即有神经组织；出血了,即有结缔组织?2范围（或者限度,不确定）,生态平衡

Isitthefactorythatyouhavevisitedlastmonth?ThegirlwhoissingingEnglishsongsisTom'ssister.TheknifethatI

MrGreenlivedinChinalastyear.Wevisitedthefarmyesterday.Hewaslookingforhiscellphonejustnow.Wesawafilml

20%再问：你确定？再答：当然。再问：有算式吗？再答：当然确定。

mrgreenlivedinchinalastyearwevistedthefarmyesterdayhewaslookingforhiscellphonejustnow.

Wearegoingtopayavisittothatfamousmuseumnextweek.

“这”是特指,"a""an"这两个不定冠词是泛指“theone"作为visit的宾语,代指"themuseum"

美国篮球协会（AmericanBasketballAssociation）,简称ABA联盟,是美国境内除NBA以外,三大发展联盟中的一个,他们在官方网站头版报道了北京奥神加盟的消息,ABA与NBA一样

这里用whichthat都可以你只记住that的用法就可以了见下一.用that不用which1）先行词是最高级或他前面有形容词最高级时Thisisthebest--that--hasbeenuseda

WeareverysinceretoinviteyoutovisitourcompanyasyouarecomingtoChina,wewillgiveyouourproduct,andhopetha

Doesthefactorythatwelookaroundneedtopaymoney再答：亲，对我的回答满意的话，就给个好评吧。如果还有不清楚的地方，可以跟我继续交流哦。再问：你的回答完美的解决了