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【单选题】
下列叙述错误的是()。A.
蓝藻、酵母菌和水绵的细胞中都含有核糖体，遗传物质都是DNA
B.
能进行光合作用的细胞不一定有叶绿体，而无线粒体的真核细胞不能进行有氧呼吸
C.
细胞学说阐明了动植物细胞为基本单位，体现了生物界的统一性
D.
原核细胞进行无丝分裂，不遵循尔遗传定律
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【单选题】听力原文： Rent-A-Computer lets you rent a computer by the day, month, or year, so that you can have your computer for the exact amount of time that you need it. We carry all brands and models of computers...
A.
Rent computers only.
B.
Rent computers and office furniture.
C.
Rent and sell computers.
D.
Rent and repair computers only.
【简答题】SIX MUST-HAVE COMPUTER SKILLS FOR STUDENTS Do you have the computer skills you should have to excel in school? To get a good job in the first place? The following six computer skills will help you get...
【单选题】You are upgrading a computer from Windows 98 to Windows 2000 Professional. The computer is a 400-Mhz Pentium III, and has 128 MB of RAM and a 10-GB hard disk. You are performing the installation by us...
A.
Remove the virus checker in Windows 98.
B.
Disable the BIOS virus checker and restart the computer.
C.
Run Fixmbr.Exe from the Windows 2000 Professional CD-ROM.
D.
Modify the Boot.ini file to include a signature parameter on the ARC path of the system partition.
【单选题】—Sorry, I made a mistake again. —________. Practice more and you will succeed.
A.
That’s right
B.
That’s all right.
C.
OK.
D.
It’s a pleasure.
【简答题】You want to buy a computer. Tell your parents why you need a computer.
【单选题】It's easy ______ English and it's important ______. [ ]
A.
study, use
B.
to learn, to practice
C.
speak, say
D.
say, speak
【单选题】Plenty of practice in listening during the first years of life partly ensures children's success of learning their mother tongue.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】—Is it interesting to play computer games? —Yes, _____ you are interested in playing computer games, you’ll have trouble giving it up.
A.
once
B.
twice
C.
as
D.
as soon as
【简答题】It’s helpful to outline your achievements on paper, then practice delivering them aloud, either in front of a mirror, before a friend, or on a video.(翻译)
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