A little battery puts out a little bit of electricity, so you can use it safely for your experiments. But the electricity that comes through the wires in your house or school is much more powerful. 1. .
Inside the walls where you live or study, there are big wires that carry electricity. When you plug in a light or radio or other electrical appliance, you are putting the light or radio in the path way of the electricity. You have heard adults warn, “ 2.，‘ Now do you know why? If you did, you would become part of the electrical path way.
3. The electrical current coming through the wires to the wall plug is so strong that it would hurt a lot if you stuck your finger in the plug. Put your finger in there and it could be you, rather than the light bulb, that becomes part of the electrical path way. And that would hurt!
What if you held a piece of metal, like a fork or knife, and stuck it into the wall plug? Don't do it. Why? It's because metals also conduct electricity. 4.
Don't touch any electrical appliance when you are wet. Can you think why? It's because water is a good conductor of electricity. When your hands are wet or when your body is in a bathtub full of water, the electricity could flow right through you and give you an awful shock, or even kill you.
Electricity is very useful, but it can be dangerous. 5.If so, electricity can better serve you, instead of hurting you.
A.Life is precious!
B.So stay away from wires.
C.Be careful, be safe and be smart.
D.And you would get a terrible shock!
E.Don't stick your finger into the wall plug.
F.Therefore, keep in mind some safety rules.
G.Your body is a pretty good conductor of electricity.
高三英语七选五中等难度题
A little battery puts out a little bit of electricity, so you can use it safely for your experiments. But the electricity that comes through the wires in your house or school is much more powerful.1..
Inside the walls where you live or study, there are big wires that carry electricity. When you plug in a light or radio or other electrical appliance, you are putting the light or radio in the path way of the electricity. You have heard adults say, “Don’t stick your finger into the wall plug.” Now do you know why?2.Your body is a pretty good conductor of electricity. The electrical current coming through the wires to the wall plug is so strong that it would hurt a lot if you stuck your finger in the plug.
Think: Why should you never put your fingers into the socket（插座）where the light bulb is fixed into a lamp？3.Put your finger in there and it could be you, rather than the light bulb, that becomes part of the electrical path way. And that would hurt！
What if you held a piece of metal, like a fork or knife, and stuck it into the wall plug？Don’t do it！Why？It’s because metals conduct electricity. And you would get a terrible shock！
4.Can you think why？It’s because water is a good conductor of electricity. When your hands are wet or when your body is in a bathtub full of water, the electricity could flow right through you and give you an awful shock, or even kill you.
Electricity is very useful, but it can be dangerous. Be careful, be safe and be smart.5..
A.Let electricity help you, not hurt you.
B.Keep yourself away from the electricity.
C.Therefore, you need to remember some safety rules.
D.Don’t touch any electrical appliance when you are wet.
E.Make your home as safe as possible for kids with these tips.
F.If you did, you would become part of the electrical path way.
G.That’s the place where the electricity flows into the light bulb.
高三英语七选五中等难度题查看答案及解析
A little battery puts out a little bit of electricity, so you can use it safely for your experiments. But the electricity that comes through the wires in your house or school is much more powerful. 1. .
Inside the walls where you live or study, there are big wires that carry electricity. When you plug in a light or radio or other electrical appliance, you are putting the light or radio in the path way of the electricity. You have heard adults warn, “ 2.，‘ Now do you know why? If you did, you would become part of the electrical path way.
3. The electrical current coming through the wires to the wall plug is so strong that it would hurt a lot if you stuck your finger in the plug. Put your finger in there and it could be you, rather than the light bulb, that becomes part of the electrical path way. And that would hurt!
What if you held a piece of metal, like a fork or knife, and stuck it into the wall plug? Don't do it. Why? It's because metals also conduct electricity. 4.
Don't touch any electrical appliance when you are wet. Can you think why? It's because water is a good conductor of electricity. When your hands are wet or when your body is in a bathtub full of water, the electricity could flow right through you and give you an awful shock, or even kill you.
Electricity is very useful, but it can be dangerous. 5.If so, electricity can better serve you, instead of hurting you.
A.Life is precious!
B.So stay away from wires.
C.Be careful, be safe and be smart.
D.And you would get a terrible shock!
E.Don't stick your finger into the wall plug.
F.Therefore, keep in mind some safety rules.
G.Your body is a pretty good conductor of electricity.
高三英语七选五中等难度题查看答案及解析
The young lady spoke so fast that I understood ____ of her speech.
| A．a little | B．little | C．a bit | D．lot |
高三英语单项填空中等难度题查看答案及解析
---You could always put the decision off a little bit longer.
---_____ If I leave it much longer I might miss my chance.
A. That’s reasonable advice. B. Isn’t it a good idea.
C. Do you think so? D. I can’t agree more.
高三英语单项填空中等难度题查看答案及解析
--- You could always put the decision off a little bit longer.
--- _________ If I leave it much longer I might miss my chance.
A.That’s reasonable advice
B.Isn’t it a good idea?
C.Do you think so?
D.I can’t agree more
高三英语单项填空中等难度题查看答案及解析
_____, and the problem will be worked out.
A．If you have a bit more effort B．Having a little effort
C．A bit more effort D．There being a little effort
高三英语单项填空困难题查看答案及解析
After a decade or so, out of choices, he returned to where he’d begun, ashamed at having so little to show for his wanderings.
A. being run B. running
C. to run D. having run
高三英语单项填空简单题查看答案及解析
________, and the problem will be worked out.
A．If you have a bit more effort B．Having a little effort
C．A bit more effort D．There being a little effort
高三英语单项填空困难题查看答案及解析
________, and the problem will be worked out.
A．If you have a bit more effort B．Having a little effort
C．A bit more effort D．There being a little effort
高三英语单项填空中等难度题查看答案及解析
________, and the problem will be worked out..
A．If you have a bit more effort B．Having a little effort
C．A bit more effort D．There being a little effort
高三英语单项填空简单题查看答案及解析