工程施工期间使用的建筑物称为（）。

下列（）不是施工自然条件。

Directions:

Thissectionistotestyourabilitytounderstandshortdialogues.Thereare5recordeddialoguesinit.Aftereachdialogue,thereisarecordedquestion.Boththedialoguesandquestionswillbespokenonlyonce.Whenyouhearaquestion,youshoulddecideonthecorrectanswerfromthe4choicesmarkedA,B,CandDgiveninyourtestpaper.ThenyoushouldmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.

1、A.Thereisnopaper.

B.Themancanusetheprinter.

C.Theprinterdoesn'twork.

D.Themanhastopayfirst.

2、A.Hehasgotanewjob.

B.Hehasgotapayrise.

C.Hehasbeenpromoted.

D.Hehasboughtanapartment.

3、A.Sellacar.

B.Rentacar.

C.Repairacar.

D.Buyausedcar.

4、A.Hedoesn'tlikethecolor.

B.Hedoesn'tlikethestyle.

C.Itistoosmall.

D.Itisofpoorquality.

5、A.Thechiefengineer.

B.Thereceptionist.

C.Theofficesecretary.

D.Thesalesmanager.

帷幕灌浆规范规定结束灌浆标准：在设计规定压力下，灌浆孔段的单吸浆量小于0.4L/min时，再持续时间为（），即可结束灌浆。

下列哪个滤镜可以减少渐变中的色带（）