问题
多项选择题
土坝中设置防渗设施的作用是( )。
A．减少通过坝体和坝基的渗流量
B．美观
C．降低浸润线，增加下游坝坡的稳定性
D．降低渗透坡降，防止渗透变形
E．增强土坝的抗震能力
答案
参考答案：A,C,E
搜题请搜索小程序“爱下问搜题”
土坝中设置防渗设施的作用是( )。
A．减少通过坝体和坝基的渗流量
B．美观
C．降低浸润线，增加下游坝坡的稳定性
D．降低渗透坡降，防止渗透变形
E．增强土坝的抗震能力
参考答案：A,C,E
A businessman sent his son to learn the secret of happiness from the wisest man. The boy walked through the desert for forty days he reached a beautiful castle at the top of a mountain where the Sage (圣人) lived.
When he a room, he saw lots of strange views: businessmen coming and going, a small music group sweet music, and all kinds of delicious dishes on a large table.
The Sage everyone. The young man had to wait for two hours until it was his .
enough patience, the Sage listened to the boy, but he was too to explain to him the secret of happiness. he suggested that the boy would walk around his palace and come back in two hours.
“However,” he added, handing the boy a teaspoon with two drops of oil in it, “while you walk, this spoon and don’t let the oil spill.”
The boy began to walk around the palace, keeping his eyes fixed on the spoon. At last he returned to the Sage.
“So,” asked the Sage, “did you notice anything amazing in my palace?” , the boy said that he had seen nothing. He was only concentrating on the .
“OK. Now go back and see the wonders of my world,” said the Sage. Now more , the boy took the spoon and walked again through the palace. Returning to the Sage, he exactly reported all he had seen.
“But where is the oil?” asked the Sage. Looking down at the spoon, the boy realized that he had spilled it all.
“Well, the secret of happiness lies in looking at all the wonders of the world and never the two drops of oil in the spoon,” the Sage said with a smile. They were both important. Then the boy realized what happiness was.
| 小题1: | A．until B．unless C．after D．while |
| 小题2: | A．saw B．left C．entered D．lived |
| 小题3: | A．hearing B．writing C．enjoying D．playing |
| 小题4: | A．looked for B．conversed with C．heard from D．knew about |
| 小题5: | A．time B．way C．turn D．duty |
| 小题6: | A．To B．For C．In D．With |
| 小题7: | A．busy B．angry C．happy D．funny |
| 小题8: | A．Though B．While C．Because D．Since |
| 小题9: | A．catch B．fetch C．grab D．take |
| 小题10: | A．never B．nearly C．always D．sometimes |
| 小题11: | A．Interested B．Terrified C．Embarrassed D．Excited |
| 小题12: | A．spoon B．man C．castle D．palace |
| 小题13: | A．carefully B．freely C．luckily D．difficultly |
| 小题14: | A．what B．which C．who D．that |
| 小题15: | A．forgetting B．minding C．realizing D．considering |