与1680°角终边相同的最大负角是 ______°.

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问题:

与1680°角终边相同的最大负角是 ______°.

考点:终边相同的角
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阅读理解。

                                               Should kids do chores?

     People find that children as young as 18 months can help with chores. When parents say to those

children,"Just look at the paper," they will pick it up.

Some parents think childhood is just for playing, so they don't ask their children to do chores. Other

parents say,“I know it's wrong,  but it's quicker to do it by myself!" But most parents believe that chores

are a way of teaching kids responsibility(责任).Children leam to help, share and care about others by

doing chores. Things like taking care of a pet or a baby and helping make meals are some examples(例

子)of helping others.

     Reasons for doing chores:

    ★to learn responsibility:Most people believe that doing chores is good for kids.

    ★To share the workload:Kids that help clean won't make a big mess.

    ★To learn skills:Kids will learn how to cook, clean and do other things in the house.

    There are benefits(益处)and challenges(挑战)when doing chores, so start to help your parents with

the chores.  You will learn a lot by doing them.

1. People find that children as young as months can help with          __.

2. Some parents think childhood is just for__        _.

3. Other parents know that chores are a way of teaching kids__       __.

4. Reasons for doing chores:

(1) To learn the responsibility.

(2) To share the workload.

(3)_______.

5. There are _______and _______when you do the chores, so start to help your parents with the chores.

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下列哪一项不符合自然分泌液的采集法()

A.针取抽取法

B.痰液

C.尿液

D. * * 溢液

E.前列腺液

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“这场战争虽然持续的时间不长,但中国为此付出的成本却十分昂贵,其不仅阻碍了中国向近代化国家的缓慢转型,而且也暴露了……遏制中国发展的险恶用心。这就是通过索要巨额战争赔款,切断中国进行工业化建设所需的资本供给。”文中“向近代化国家的缓慢转型”和“索要巨额战争赔款”的事件分别是指                            [ ]

A.鸦片战争/《南京条约》            

B.洋务运动/《马关条约》

C.太平天国/《天津条约》            

D.戊戌变法/《辛丑条约》

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检查工作不能代替适当的监督工作和合适的配套。

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农药常规的施用方法有哪些?

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