1. (2019八上·浦东月考) Choose the words or expressions and complete the passage. （选择最恰当的单词或词组完成短文）
    Blog◊The Most Useful Inventions
    The Invention Blog： A Place for People to Share Opinions
    Today's question is：
What do you think is the most useful invention of all time?
By Cindy Wu
There are many the train, the car, and the airplane the useful machines, but these are not my1. For an everyday, useful invention, I vote for the air conditioner. I live in Taibei, and during the summer the temperature can be 39 degrees Celsius or more. It's so hot! I'm not joking when I said that, if there are no air conditioners, people here cannot work or study. A lot of people might also get sick2cool air.
By Jorge
The most useful invention of all time is surely the Internet. We can now reach people and do business faster. I3a clothing store in Mexico City, and there's a lot of competition. I not only have a website as others, but also own a online store on Taobao. com. Now, people from all over the world can buy my clothing using the Internet. I can keep in touch with friends and family in Mexico and around the world using e mail. It's faster than4mail, and it's cheaper than using the phone!
By Kazuo
I also think that the Internet is useful. But, in my opinion, there is an "invention" that is even more5 ， and that's electricity. Of course, this is not a man-made invention， but people like Benjamin Franklin and Alessandro Volta learned how to use it. If there is no electricity, many of the world's greatest inventions would not6.

（1）

A . choose B . choices C . thoughts D . think

（2）

A . with B . in C . without D . during

（3）

A . own B . owe C . design D . build

（4）

A . usually B . useless C . usual D . useful

（5）

A . importantly B . important C . efficient D . efficiently

（6）

A . job B . do C . use D . work

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What do you think is the most useful invention of all time?
By Cindy Wu	There are many the train, the car, and the airplane the useful machines, but these are not my1. For an everyday, useful invention, I vote for the air conditioner. I live in Taibei, and during the summer the temperature can be 39 degrees Celsius or more. It's so hot! I'm not joking when I said that, if there are no air conditioners, people here cannot work or study. A lot of people might also get sick2cool air.
By Jorge	The most useful invention of all time is surely the Internet. We can now reach people and do business faster. I3a clothing store in Mexico City, and there's a lot of competition. I not only have a website as others, but also own a online store on Taobao. com. Now, people from all over the world can buy my clothing using the Internet. I can keep in touch with friends and family in Mexico and around the world using e mail. It's faster than4mail, and it's cheaper than using the phone!
By Kazuo	I also think that the Internet is useful. But, in my opinion, there is an "invention" that is even more5 ， and that's electricity. Of course, this is not a man-made invention， but people like Benjamin Franklin and Alessandro Volta learned how to use it. If there is no electricity, many of the world's greatest inventions would not6.