If you have a question，you may want to get a quick answer online.Some technology companies are working to make this come true by developing chatbots.They are computer programs that can communicate with people by phone，on messaging apps or on websites.
Chatbots can look up information，answer frequently（经常地）asked questions and collect information from users.They can also be used for online shopping to help people decide what to buy.
There are two kinds of chatbots：open and closed.A closed chatbot may or may not use Al （人工智能）to understand messages from users.An open chatbot uses Al both to know what people want and to create a reply.Open chatbots are able to learn from their conversations and then improve their ability to communicate over time.This means that open chatbots can answer a wider range（范围）of questions，compared with closed chatbots.
One important advantage of chatbots is that they are available all the time，even at midnight.What's more，one chatbot can serve many users at once.This means that people can get answers quickly instead of waiting for the reply of a human agent.
▲ Someone has to program the chatbots at the beginning and train them.Sometimes，open chatbots can't give answers to certain questions.Besides，many people prefer speaking to a human rather than a chatbot.
（1）What is the chatbot？ DD
A．A website.
B．A messaging app.
C．A technology company.
D．A computer program.
（2）What can chatbots do according to the second paragraph？ BB
A．Keep personal information safe.
B．Answer the questions of their users.
C．Buy necessary things for their users.
D．Help people make important decisions.
（3）What is the difference between open chatbots and closed chatbots？ CC
A．Open chatbots reply more quickly.
B．Closed chatbots are better at communicating.
C．Open chatbots answer questions on more topics.
D．Open chatbots don't use AI to understand questions.
（4）Which of the following can be put into CC？
A．However，chatbots can't take the place of human agents.
B．Human agents and chatbots are good partners.
C．To solve the problem，humans are necessary.
D．Chatbots can do a great job by themselves.
（5）What can we learn from the passage？ DD
A．Human agents are more popular than chatbots.
B．One chatbot can only serve one person at a time.
C．Chatbots have been widely used around the world.
D．Sometimes chatbots can't answer people's questions.
【答案】D；B；C；C；D
【解答】
【点评】
声明：本试题解析著作权属菁优网所有，未经书面同意，不得复制发布。
发布：2024/12/27 5:30:3组卷：64引用：9难度：0.5
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