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New Words
affect suggest
development mobile
phone discovery
Think About It !
◆Have you ever done any interesting experiments? Can you describe one of them?
◆ What would life be like without computers or mobile phones?
Language
Points
作可数名词，意为“发现、发觉”，复数形式是discoveries。如：
1. discovery
This is an important discovery.这是一个重要的发现。
We have discovered their secrets. 我们已经发现了他们的秘密。
discover是及物动词，意为“发现”，后加名词、代词或宾语从句。如：
My sister is growing taller and taller. 我妹妹长得越来越高。
Our city is becoming more and more beautiful. 我们的城市变得越来越美了。
2. Scientific discoveries are making our lives better and better.
“比较级 + and + 比较级”表示“越来越”。
Exercises
1. We have got everything ________. Let’s start the experiment now.
2. This hall is big ________ to hold 1,000 people.
3. You can’t pull the door open. You have to ________it.
4. My father often _______ me to the park when he is free.
I.根据句意用适当的词语填空。
takes
ready
enough
push
1. 你能给我做个风筝吗？
Can you make a kite ______ ______?