中国地势____，大致呈____状分布，这种地势使许多大河滚滚东流，沟通了

____交通．还使许多河流从高一级阶梯流入低一级阶梯的地段，水流湍急，产生巨大的____．

如图所示，在四个完全相同的玻璃杯内装有不等量的同种葡萄酒，用大小相同的力敲击四个玻璃杯，会发出不同的声音。这“不同的声音”主要是指声音的

下列各句中划线词语的使用，全都正确的一项是（    ）

①我们宣传《北京市控制吸烟条例》，意在增强公民的控烟意识，让控烟令落地生根，不走过场，最终达到真正禁烟的目的。

②自从郭德纲发文痛斥曹云金、何云伟之后，曹云金也发了博文，他痛倒苦水，讲述师傅郭德纲遇人不淑的种种经历。

③“吾日三省吾身：高否？富否？帅否？否！滚去学习！”校方解释此标语改自儒家经典《大学》，但网友们仍是不赞一词。

④“艰难困苦，玉汝于成”，长征历时之长，规模之大，行程之远，在世界战争史乃至人类文明史上是极为罕见的。

⑤外交部发言人指出，日方一些人总把地区和平稳定挂在嘴上，而地区和平稳定真正要实现时，他们反而寝食不安了。

⑥里约奥运会，中国女排奋勇拼搏，身处逆境，不尴不尬，半决赛和决赛接连战胜荷兰与塞尔维亚，最终夺冠。

    I joined a club called "Passing Help" last month. Now let me tell you 1 I joined it.

    One2 this February, my old car broke down on my way home. It was far away from my home. I wanted to get a ride in somebody else's car, but it was dark and there was no car. It was also 3 to take a taxi. I decided to take a bus home. I went to a bus stop nearby.

    After a while, a bus came, but it did not go to my town. The bus driver was a young woman. She was 4 and she told me which bus I should take. I waited there for about half an hour, but no bus came. 5 a car came to me and a woman came out of the car. She was just the bus driver.

    "When I reached the bus station, I 6 to know that there was no bus to your town at this late hour, so I returned here. I just can't 7 you here," she said. "Get in my car and I will take you back to your home."

    "It is a long way, "I said.

    "8^, sir, "she said. "Let's go."

    On the way she told me a story. A few days ago, her car ran out of gas(汽油). An old man drove her up to a gas station and then back to her9^.

    When we got to my home, I wanted to give her some money to thank her, but she didn't 10 it. "I only want to help others and do something nice for somebody. Pass it along," she said.