We are often asked to make a speech in life. Most of us are afraid of it and don't do a good job. Here are some simple steps to make your speech a successful one. First of all, find out everything you can about your subject and at the same time find out as much as you can about your audience. Who are they? What do they know about your subject? Put yourself in their shoes as you prepare your speech. Then try to arrange your material so that your speech is clear and easy to follow. Use as many examples as possible. Never forget your audience. Don't talk over their heads or talk down to them. When you are giving your speech, speak slowly and clearly, look at your audience and pause for a few seconds from time to time to give your audience chances to think over what you've said. Just remember: be prepared, know your subject and your audience, say what you have to say and be yourself so that your ideas will bring you and your audience together.

1. During the course of a speech, it is not right for a speaker to ________.

A. give a lot of examples

B. speak in a clear voice

C. take a short stop at times

D. think nothing of the audience

2.What does the underlined word "pause" mean in the passage?

A. Listen B. Stop C. Choose D. Search

3."Put yourself in their shoes as you prepare your speech." means that while preparing your speech, you must________.

A. think more about the audience

B. put your shoes away and put on theirs

C. try on their shoes to see if they fit you

D. wear the shoes in the same size as theirs

4.Which title best gives the main idea of the passage?

A. How to Improve Your Speech

B. How to Remember the Audience

C. How to Pick out the Topic for a Speech

D. How to Prepare the Material for a Speech

We often praise the world of science.

It explains the world and makes our lives easier with technology. One of the most exciting fields in science is artificial intelligence (人工智能,AI). This is an area where scientists are working on creating machines that think like humans.

However, one of the most famous scientists has a very dark warning for us about this type of technology.

“The development of full artificial intelligence could spell the end of the human race,” said Professor Stephen Hawking to the BBC.

Hawking is a well-known British physicist and author of bestselling science book A Brief History of Time. This warning came after commenting(评论)the technology he uses to speak with. As Hawking has got a serious disease called ALS, he needs an AI computer to communicate. The computer learns how Hawking thinks and suggests the words he may want to use next.

This is a basic type of AI, which is very useful, yet Hawking fears the possibility of creating technology that can match or surpass human intelligence. And it’s easy to imagine how terrible things may be. Many TV shows and films show big, killer machines that are far cleverer than us. “Humans, who are limited(限制) by slow biological evolution (进化), couldn’t compete,” said Hawking.

But not every scientist is pessimistic (悲观的) about AI technology. “I believe we will be in control of the technology for a long time,” said Rollo Carpenter, creator of Cleverbot in the UK, which is a software program that remembers past conversations. “The advantages of it to solve many of the world problems will be realized.” In what direction do you think AI is heading? Should we be hopeful or fearful?

1.Which of the following is TRUE about AI?

A. It makes our lives easier.

B. The technology is not very popular now.

C. Scientists haven’t controlled the technology.

2.The writer took Hawking as an example to ______.

A. explain how AI has helped us

B. show AI has already become part of our life

C. suggest that AI might become dangerous for humans

3.What does the underlined word “surpass” mean in the passage?

A. 象征 B.促进 C. 超越

4.We can know from the last paragraph that _________.

A. Rollo agrees with Hawking

B. Rollo is a British creator

C. Rollo invented Cleverbot in the US

5.Which of the following can be a suitable title for this article?

A. AI: a friend or an enemy

B. The future of human beings

C. The fight between humans and AI

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