19．Good afternoon，parents and teachers．Thank you for attending this meeting．I am the head teacher of this school．Today I'll talk about computers．
As we know， （A）
計算機是非常有用的．In our daily lives，we can use computers to calculate （計算）．They can calculate at a faster speed than we do． （B）
They almost never give wrong answers．We can also type and draw things with them．What's more，computers can do important jobs like operating railways and flying planes and spaceships．I have a computer and I almost use （C）_____to write reports every day，People also depend on their computers a lot these days．
However，some students play computer games for too long．This is a serious problem．In the past，students used to play outside more often， （D）_____now they spend more time inside．They play computer games in front of computers without have a rest．This is bad for their health．
Tomorrow，we'll have some experts（專家）here to talk to the students about the bad effects（影響）of playing computer games．They'll also give some （E）
suggestions on how to use computers for studying．
I hope we can all work together to （F）
keep students from spending too much time playing computer games．Thank you for your time．
（1）將文中畫線部分（A）譯成英語：
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（2）將文中畫線部分（B）改寫為：They almost never
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（3）在文中（C）和（D）的空白處填入適當(dāng)?shù)膯卧~：
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（4）寫出文中畫線部分（E）和（F）的同義詞或近義詞：
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（5）從文中找出能說明本文主旨大意的詞：
