unit 5Role-Play Working in pairs, students should create a role-play based on the following scenario: Student B is lost and looking for the Forbidden Palace. Student B asks Student A for directions.Student A: You are an English person living in Beijing. You have been living here for a few years and know the city quite well. Student B: You are a Mexican visiting Beijing for the first time. You do not speak Chinese, but you do have some English.

【单选题】使用命令添加用户student,设置密码为student,然后使用命令删除该用户。 A. useradd student passwd student userdel student B. useradd student passwd student sudo userdel student C. useradd student sudo passwd student sudo userdel student D. su root useradd student passwd student userdel student

with directions

【单选题】A sudden noise made all the birds in the tree fly ­­________. A. in all direction B. in the directions C. in all directions D. to all directions

‏删除数据表student的命令是________。‏ A: drop table student; B: drop student; C: delete table student; D: drop student;

VBA中打开“student”表的语句是( )。 A: Docmd．OpenForm”student” B: Docmd．OpenQuery"student" C: Docmd．OpenTable"student" D: Docmd．Openreport"student"

PartI.ListeningComprehension Directions:Thispartistotestyourlisteningability.Itconsistsof3sections. SectionA(8points) Directions:Thissectionistotestyourabilitytogiveproperresponses.Thereare4recordedquestionsinit.Aftereachquestion,thereisapause.Thequestionswillbespokentwotimes.Whenyouhearaquestion,youshoulddecideonthecorrectanswerfromthe4choicesmarkedA,B,CandD.

【单选题】定义一个学生类Student,则初始化一个学生对象的语句是( A. Student s ； B. Student s = new Student(); C. Student s = new student(); D. Student s = s.student();

声明并创建一个学生类Student的对象s,下列语法格式正确的是: A: Student s = Student(); B: Student s; C: Student s = new Student(); D: Student s = new ();

Directions:Revisethefollowingsentenceswherenecessary.Ourdatasuggestthathighserumlevelsofascorbicacidareindependentlyassociatedtoadecreasedprevalenceofelevatedbloodleadlevels.