题干

下列说法中正确的是

A:静止在草坪上的足球一定受到平衡力的作用

B:在空中自由下落的篮球受到的合力方向向下

C:如果运动的物体不受力,它将会慢慢停下来

D:人不小心踩到沙堆里,通过跺脚清除鞋上的浮沙是利用了鞋的惯性

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答案(点此获取答案解析)

A,B

同类题1

根据短文内容完成表格,每空一词。

    If you think you are too shy and want to be a little braver, just try the following things: Be open to others. Tell people you are shy. There is no need to hide it. When they get to know you are a shy kid, they will understand you better. This also helps you feel more comfortable in talks.

    Try to smile more. When you smile, people think you are friendly and easy to talk with. Remember that other people have feelings, too; and most people will stay away from an angry-looking face.

    Learn to be a good talker. If you find it hard to start a conversation, say something nice about people around you. Think about how great you feel when someone says something nice to you. Doesn't it make you want to keep talking to that person?

    Get your attention(注意) elsewhere(在别处). Think more about ways to enjoy parties or games. Don't waste time worrying about your look or whether(是否) people like you or not. You will become relaxed(放松的) and find it's not so hard to talk with others.

Take one small step at a time. Each time when you say “Hi!” or smile at someone, say to yourself “You can make it.” Keep trying and one day you'll never feel shy when you talk to others.

Title: Advice on……to be a little braver

Advice

Reasons

Don't ____ the fact.

If you tell people you are shy, they will understand you better.

____ more

People don't like the one with an angry-looking face.

Start a conversation with ____.____                              words.

People will feel great and want to talk to you.

Pay more attention to ways to enjoy parties or games.

You will feel ____.

Encourage(鼓励) yourself to say “Hi!” or smile at someone.

Keep doing this and you’ll be braver to talk to others in the future.