下列说法正确的是{"A":"\u53ea\u6709\u78c1\u6781\u5468\u56f4\u7a7a\u95f4\u5b58\u5728\u78c1\u573a","B":"\u76f8\u4e92\u6_刷题宝

题干

下列说法正确的是

A：只有磁极周围空间存在磁场

B：相互接触的两个磁体之间没有磁场力的作用

C：磁体对电流有力的作用，电流对磁体没有力的作用

D：磁体和电流之间力的作用是相互的，都是通过磁场产生力的作用

上一题下一题 0.0难度选择题更新时间:2019-01-23 06:46:18

答案(点此获取答案解析）

D

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——Where is the new student ?

——America.

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体育总局批准，2010年厦门（北纬24°27′，东经118°06′）国际马拉松赛事于北京时间1月2日上午8点鸣枪开赛。下图为2010年厦门国际马拉松赛路线示意图和某女运动员比赛过程即时素描图

。当该女运动员到达全程赛事终点时，她的身影向正北并大致与身高相等。结合下图回答1～2题。

【小题1】据右图女运动员身影的相对方位，判断此时她可能跑到赛程

A．5．0千米附近	B．18．5千米附近
C．40．3千米附近	D．41．7千米附近

【小题2】该女运动员的参赛成绩测算结果应为

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a great party! delicious the food is!

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二次不等式 $a x^{2} + b x + c < 0$ 的解集是全体实数的条件是（）

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任务型阅读

Do you like Sun Wukong? He is one of the most popular novel characters in Chinese history. Not only young children but also adults love him so much. In our mind, he is a great hero in the Chinese novel Journey to the West.

In the novel, Sun Wukong, Zhu Bajie and Sha Seng beat demons(妖魔) and protect Tang Seng when they travel to the Western Paradise(西天). Sun Wukong was born from a stone. He can change himself into a tree, a bird, or and animal. With one somersault(筋斗), he can travel 108,000li.

Sun Wukong is clever, brave and always makes fun magic tricks. Chinese people love him very much.

Sun Wukong is also popular in other countries. Many western children love him and learn kung fu because of him. To them, he is a super hero, just like Superman and Spiderman.

Sun Wukong,

a super____

one of ____ novel characters in Chinese history.

____ demons and protect Tang Seng.

was born from 60.____.

can change himself into a tree, a bird, or an animal.

is clever,61.____ and always makes fun magic tricks.

is popular in China and other countries.

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