文字图层中的文字信息哪些可以进行修改和编辑

在施工过程中，现场组装的大型临时设备在投入使用前应经过（）批准。

如果在图层上增加一个蒙板，当要单独移动蒙板时下面哪种操作是正确的：

Directions:

Thissectionistotestyourabilitytounderstandshortconversations.Thereare2recordedconversationsinit.Aftereachconversation,therearesomerecordedquestions.Boththeconversationsandquestionswillbespokentwotimes.Whenyouhearaquestion,youshoulddecideonthecorrectanswerfromthe4choicesmarkedA,B,CandDgiveninyourtestpaper.ThenyoushouldmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.

6、A.Thegoodsareoutofstock.

B.Sheismovingtoanothercity.

C.Thesalesseasoniscomingsoon.

D.Sheisafraidthepricewillgodown.

7、A.Bytrain.B.Byair.C.Byship.D.Bytruck.

8、A.Inthreeweeks.B.Intwoweeks.C.Nextweek.D.Nextmonth.

9、A.HRmanagerassistant.

B.Salesmanager.

C.Officesecretary.

D.Softwareengineer.

10、A.3weeks.B.6weeks.C.3months.D.6months.

段落文字可以进行如下哪些操作：