题目内容
— Steve is good at writing short stories.
— Yes, he is. But he writes _______ than us, so he doesn’t get good points in writing.
A. less carefully B. more carefully
C. more careful D. less careful
A
【解析】
试题分析：句意：Steve擅长写短片故事。是的，但是他不如我们写的认真，所以他在写作中没有获得好的分数。副词修饰动词，故排除CD。根据他没有获得好的分数，可知他不是那么的认真。故选A。less+形容词/副词原级，较不···，不那么···。
考点：考查比较级等级的用法。
Computers can injure(伤害)you. Most other injuries happen suddenly. For example, if you fall off a bike and break your arms, it happens very quickly. But computer injuries happen slowly.
You may know how to ride a bike safely. Now learn to use a computer safely.
Your eyes
Too much light can injure your eyes, so never sit too close to a computer screen. Your eyes should be more than 50 centimeters from the screen. Don’t forget to look away from it sometimes. This gives your eyes a rest.
When you use a computer, the window should be on your left or your right. If it is behind you, the light will reflect on the screen(反射在屏幕上). If the window is in front of you, the sun and the screen will both shine into your eyes.
Your hands and wrists(手腕)
Hand and wrist injuries can happen because the hands and wrists are moved in the same way hundreds of times. If you use a keyboard for a long time, follow these three rules:
1) Rest your wrists on something.
2) Keep your elbows(肘)as high as the keyboard.
3) Stop sometimes and exercise your hands, wrists and fingers in a different way.
Your back
Some people sit for many hours in front of a computer. If you sit in the wrong way, you can injure your back or your neck. So you shouldn’t bend(弯曲) your back when you sit. The top part of the screen should be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all be parallel(平行) to the floor. If you are sitting for a long time, get up every half an hour and exercise your arms, legs and neck.
Enjoy your computer, but use it safely.
Title: How to use a computer safely | ||
Different 1. of your body | Causes(原因) of the injuries | Some 2. of keeping you away from computer injuries |
Your eyes | ◆Too much light can injure your eyes. | ◆Don’t sit too close to a computer screen. ◆Your eyes should be 3. 50 centimeters from the screen. ◆ 4. to look away from the screen sometimes. |
Your 5. and wrists
| ◆You 6. them in the same way hundreds of times. ◆You use a keyboard for a long time. | ◆ 7. your wrists on something. ◆Keep your elbows at the same 8. as the keyboard. ◆Exercise your hands, wrists and fingers in different ways. |
Your back
| ◆You sit for many hours 9. a computer. ◆ You sit in the wrong way. | ◆You should keep your back 10. when you sit. ◆Get up every half an hour if you are sitting for a long time. |