John Smith is a student in his first year at university, so he is _____.

第1题

I must have thrown away ( ) by mistake.A、his’B、hisC、he’sD、he

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第2题

建立以下用户，组属性及口令文件A.建立用户smithB.建立组名sysadmC.john把mail作为其第二组名D.smith具有口令654321

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第3题

设在工程中有一个标准模块，其中定义了如下类型： Type stutype ino As Integer strname As String*20 strsex As String*1 smark As Single End Type 在窗体上画一个名为Connnand1的命令按钮，要求当执行事件过程Command1_Click时，在c:\的随机文件student..dat写入一条记录。下列能够完成该操作的事件过程是( )。A．Sub Command1_C1ick() Dim student As studtype Dim record_no As Integer record_no=1 With student .ino=12 .strname="smith" .strsex="男" .smark=89 End With Open" c:\student.dat" For input As # 1 len=len(student) Put # 1,record_B．Sub Command1_Click( ) Dim student As studtype Dim record_no As Integer record_no=1 With student .ino=12 .strname="smith" .strsex="男" .smark=89 End With Open"c:\student.dat" For random As #1 len=len(student) Put #1,record_nC．Sub Command1_Click() Dim student As studtype Dim record_no As integer record_no=1 With student .ino=12 .stmame="smith" .strsex="男" .smark=89 End With Open"c:\student.dat" For random As #1 len=len(student) Write #1,record_nD．Sub Command1_Click() Dim Student As studtype Dim Record_no As Integer record_no=1 With student .ino=12 .strname="smith" .strsex="男" .smark=89 End With Open"c:\student.dat"For output As #1 len=len(student) Put #1,record_no,

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第4题

John's score on the test is the highest in his class, he ______ very hard.A. must have studiedB. should have studiedC. must studyD. should study

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第5题

You are signing on a deck officer，who will be designated as one of the GMDSS operators，before sailing foreign．Which statement is TRUE ________．A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”B.He/she must present either an FCC-issued license or a Coast Guard-issued licenseC.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued licenseD.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”

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第6题

John’s score on the test is the highest in the class; he _____ last night.A.must study B.should have studieD C.must have studieD D.is sure to study

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第7题

The working parent is not willing to listen to her (his) four-year-old child talking about hissandbox games because she (he) is___________.A.boring B.very tired C.busy D.angry

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