to move smoothly on ice答一单词

The plane flew smoothly ______ in the sky and people spoke ______ of the experienced pilot.

A．high；high

B．highly；highly

C．high；highly

D．highly；high

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They use computers to keep the traffic _______ smoothly.

A．being run

B．run

C．to run

D．running

____ is to be done is ______ to carry it out smoothly since the decision has been made．

A．What; how

B．Where; how

C．When; what

D．Where; what

Getting a new PC is one thing, Keeping it running smoothly is quite another. While a personal computer should continue to perform well for years, users know that system unsteadiness does exist Yet you can reduce it to the smallest amount by following the tips below .
First, put in as little software as possible. You’11 have fewer software –related problems and a system that is easier to manage.
Second, you should ensure that you have as much memory (RAM) in your PC as you need If you run Windows 98,your computer should have as least 128 megabytes (MB)of RAM and more You can also get by with 128 MB of RAM if you use Windows NT or Windows2000,but these operating systems will run much more smoothly if you have 256 MB of RAM or more.
Third, make sure you buy good hardware. Noname products may be cheaper and sometimes just as good as named-brand products, but name-brand products usually became well-known because of famous companies because Windows will more often support the hardware that you buy ,If you are starting out with to have been tested thoroughly with your operating system, and you will generally experience fewer problems.
Fourth, do prepare for disaster .No matter how well your system runs when you get it ,the day will come when it will need to be replaced .Hopefully, you will replace it because technology has become outdated, but you may need to replace it also because the hard drive crashes or you begin experiencing problems that no one can figure out .That’s why it ‘s important to you’re your important to copy your important information regularly. Whether you use a tape backup device or a CD-RW drive, it’s important to make a regular backup plan and stick to it .
小题1:If you want to use Windows2000,but your computer only has 64MB.What will you have to do?
A. Change its RAM for at least 256MB, B. Put in good software in your computer.
C. Enlarge its memory to at least 128 MB D. Buy another new computer to match it .
小题2: How many pieces of advice on buying good hard-ware does the writer give us ?

A．Three

B．Two

C．One

D．four

小题3:It can be inferred from the passage that……

A．your computer will save the important information when its hard drive crashes

B．Your computer might lose all the information it stores when it crashes .

C．You must not put in much software.

D．You’d better use 128 MB of Ram if you run Windows NT.

小题4:the best title of this passage would be “……”

A．the Tips You must Follow

B．How to Start out with a Computer

C．How to Use your PC Better

D．How to Keep Your PC Stable

小题5: what does the underlined word “it ”(paragraph 1)refer to ?

A．System unsteadiness	B．personal computer
C．To perform well	D．Getting a new PC