Photoshop中导致使用“定义画笔”命令操作失败的原因可能是下面的哪几个。()

下面哪种格式是有损的压缩：

在切片面板中：

Directions:Inthissection,youwillhear10shortconversations.Attheendofeachconversation,aquestionwillbeaskedaboutwhatwassaid.Boththeconversationandthequestionwillbespokentwice.Aftereachquestiontherewillbeapause.DuringthepauseyoumustreadthefourchoicesmarkedA),B),C)andD),anddecidewhichisthebestanswer.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.

1.A)Dosometyping.

B)Buysomepaper.

C)Askthemantotype.

D)Wanttorunwiththeman.

2.A)10:50

B)10:15

C)10:48

D)10:52

3.A)Husbandandwife.

B)Agirlandherboyfriend.

C)Teacherandstudent.

D)Oldfriends.

4.A)Policeman.

B)Salesman.

C)Cardriver.

D)Conductor.

5.A)Inaschool.

B)Inatheater.

C)Inarestaurant.

D)Athome.

6.A)Sheagreed.

B)Shedisagreed.

C)Shewasimpatient.

D)Shewasworried.

7.A)Somethingcold.

B)Coffee.

C)Tea.

D)Somethinghot.

8.A)Gold.

B)Blue.

C)Brown.

D)Black.

9.A)Hedidn’knowtwheretofindtheprofessor.

B)Hehaddifficultydoingtheexperiment.

C)Hefailedtheexam.

D)Hecouldn’graduatetfromtheuniversity.

10.A)Themaniscoughing.

B)Themangaveupsmoking.

C)Themanhasalungdisease.

D)Themanhasaheartattack

在Photoshop中打印文件时，有关Bleed(出血)的说法正确的是?()