进入第二产程的标志是

判断胎先露下降程度：胎头颅骨最低点在()水平，以“0”表示

Lifeistooshort________________(不可每天将时间浪费在看电视上).

潜伏期是从规律宫缩开始到宫口开大3cm，正常为()小时;超过()小时为潜伏期延长。

Passage4

Questions16to20arebasedonthefollowingpassage:

Cultureshockisanoccupationaldisease(职业病)forpeoplewhohavebeensuddenlytransplantedabroad.

Cultureshockiscausedbytheanxietythatresultsfromlosingallfamiliarsignsandsymbolsofsocialintercourse.Thosesignsareasfollowing:whentoshakehandsandwhattosaywhenmeetpeople,whenandhowtogivetips,howtomakepurchases,whentoacceptandrefuseinvitations,whentotakestatementsseriouslyandwhennot.Thesesigns,whichmaybewords,gestures,facialexpressions,orcustoms,areacquiredbyallofusinthecourseofgrowingupandasmuchapartofourcultureasthelanguagewespeakorthebeliefsweaccept.Allofusdependonhundredsofthesesignsforourpeaceofmindandday-to-dayefficiency,butwedonotcarrymostatthelevelofconsciousawareness.

Nowwhenanindividualentersastrangeculture,allormostofthesefamiliarsignsareremoved.Nomatterhowbroadmindedorfullofgoodwillyoumaybeaseriesofsupportshavebeenknockedfromunderyou,followedbyafeelingoffrustration.Whensufferingfromcultureshockpeoplefirstrejecttheenvironmentwhichcauseddiscomfort.Thewaysofthehostcountryarebadbecausetheymakeusfeelbad.Whenforeignersinastrangelandgettogetherincomplainaboutthehostcountryitspeople,youcanbesurethattheyaresufferingfromcultureshock.

16.Accordingtothepassage,cultureshockis.

A.anoccupationaldiseaseofforeignpeopleB.mayleadtoveryserioussymptoms

C.actuallynotadiseaseD.incurable

17.Accordingtothepassage,cultureshockresultfrom.

A.thesuddenchangeofsocialatmosphereandcustoms

B.thesuddenchangeofourdailyhabits

C.thesuddenlossofourownsignsandsymbols

D.thediscomfortthatwefeelwhenfacedwithaforeigner

18.Whichoneofthefollowingmaynotbeasymptomofcultureshock?

A.Youdon’tknowhowtoexpressyourgratitude.

B.Youdon’tknowhowtogreetotherpeople.

C.Yousuddenlyforgetwhatawordmeans.

D.Youdon’tunderstandwhyaforeignershrugs.

19.Accordingtothepassage,howwouldapersonwhostaysabroadmostprobablyreactwhenheisfrustratedbythecultureshock?

A.Heismostlikelytorefusetoabsorbthestrangeenvironmentatfirst.

B.Heisreallytoacceptthechangeandadapthimselftothenewenvironment.

C.Althoughhetakestheculturedifferenceforgranted,hestilldoesn’tknowhowtodowithit.

D.Hemaybegintohatethepeopleorthingsaroundhim.

20.Themainideaofthispassageisthat.

A.cultureshockisanoccupationaldisease

B.cultureshockiscausedbytheanxietyoflivinginastrangeculture

C.cultureshockhaspeculiarsymptoms

D.itisveryhardtocopewithlifeinanewsetting