战国时期,大战频频,有一个成语叫“围魏救赵”,就出自其中的一场大战,这场大战是[

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问题:

战国时期,大战频频,有一个成语叫“围魏救赵”,就出自其中的一场大战,这场大战是[ ]

A.城濮之战

B.桂陵之战

C.马陵之战

D.长平之战

考点:战国七雄(战国时期的战争和合纵连横)
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阅读理解。

     Lots of people like diving into water, because they can explore the underwater world. But there is not

her kind of diving. Some people dive into the sky! This is really a very exciting sport. A skydiver goes high up in the air on a plane. Then he jumps off the r)lane and floats in the air with the help of a parachute(降落伞). A parachute is like a huge umbrella. It is put on the back of the skydiver. When the skydiver reaches a certain height, he will pull a string and the parachute will open up in seconds and carry him gently down

to the ground. Skydivers like doing a lot of fascinate tricks in the air. After jumping off the plane one after

another, they will try to stay in the air and hold each other's hands. They can form different shapes.

     Is it safe to do skydiving?Yes, as long as we receive right training.But sometimes, accidents do happen. In Canada, two skydivers were killed in 1991 when they jumped off the plane. Because their parachutes

got tied up with each other, the parachutes couldn't open up and both crashed down and died.

1. Why do people like diving into water?

                                                                    

2. How does a skydiver go up into the sky?

                                                                    

3. What does a parachute look like?

                                                                    

4. Where does a skydiver put his parachute?

                                                                    

5. Why were two skydivers killed in Canada?

                                                                    

6. What do you think of skydiving?

                                                                         

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师生关系建立过程中,师生一刻都不能离开对道德规范的遵守,也离不开道德规范的调节。

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风湿性疾病的概念是

A.风湿性关节炎
B.类风湿性关节炎
C.风湿热
D.风寒痹症
E.累及关节及软组织的一大类病因不同的疾病

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下列负荷中为一级负荷的是( )。

A.中断供电将造成公共场所秩序严重混乱者

B.中断供电造成较大经济损失者

C.一类高层建筑的消防控制室、消防水泵和消防电梯

D.中断供电将造成公共场所秩序混乱者

题型:选择题

增湿塔喷枪雾化效果不好如何进行处理?

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