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【简答题】
请打开第六.ppt 1.磁盘清理 计算机系统及其应用程序在工作过程中也会产生大量的临时文件,如安装或卸载程序、浏览网页、编辑文件等。有些临时文件在程序关闭后会自动删除,但也有一些会被自动保存在磁盘中;还有一些应用程序删除不彻底,残余的文件也会继续被保存在磁盘中;长此以往,这些不需要的文件会慢慢地侵蚀有限的__________,计算机的工作性能也会因此大打折扣。 此时,及时清理磁盘就变得尤为重要。具体步骤如下(以Windows 7系统为例):单击“____”菜单,执行“所有程序”→“________”→“系统工具”→“__________”命令,将打开“磁盘清理:驱动器选择”对话框。 选择磁盘分区后,单击“确定”按钮,系统开始计算需清理的文件容量。
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举一反三
【单选题】From paragraphs 23 and 24, we can conclude that the author feels
A.
we are unlikely to analyze advertising logically unless we recognize it as propaganda.
B.
propaganda should not be allowed.
C.
if we don’t want to hand over to others our independence, we should ignore all propaganda.
D.
we should not support the “products, viewpoints, and candidates urged on us by propaganda messages.”
【单选题】Can we forge against these enemies a grand and global alliance?
A.
heed
B.
formulate
C.
form
D.
tap
【简答题】saf ss f
【单选题】Nobody wants to be【21】. Unfortunately our bodies can【22】problems. When we aren't【23】, our bodies tell us. Sometimes a part of our bodies hurts. When a part of our bodies【24】, we say we have aches and ...
A.
sleep
B.
bad
C.
cold
D.
sick
【单选题】We can conclude that Americans charged with crimes have some rights to ______.
A.
fight against laws
B.
protect themselves
C.
talk back to the police
D.
escape punishment
【单选题】Can we forge against these enemies a grand and global alliance , North and South, East and West, that can assure a more fruitful life for all mankind?
A.
disintegration
B.
transaction
C.
association
D.
domination
【单选题】From paragraphs23 and 24, we can conclude that the author feels
A.
we are unlikely to analyze...
B.
propoganda should not be allowed.
C.
if we don't want to hand over...
D.
we should not support...
【单选题】From the passage， we can learn that 'Magic Sunflower Club' is a _______in Eng－lishA
A.
23． From the passage， we can learn that 'Magic Sunflower Club' is a _______in Eng-lish A． book
B.
city
C.
story
D.
club
【单选题】From the passage，we can know it is ________for plants to grow in dry places．A． easy
A.
23． From the passage，we can know it is ________for plants to grow in dry places． A． easy
B.
difficult
C.
impossible
D.
important
【单选题】It can be inferred from the passage that hand-made products are ______.
A.
easier to forge than high-tech products
B.
more difficult to forge than high-tech products
C.
less profitable to forge than high-tech products
D.
more profitable to forge than high-tech products
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