在1:2000地形图上量得等倾斜地段A、B两点的高程分别为43.6m、34.9m,d

题型:单项选择题

问题:

在1:2000地形图上量得等倾斜地段A、B两点的高程分别为43.6m、34.9m,dAB=17.4cm,则A、B两点间的平均坡度为()。

A.-0.025

B.-2.5%

C.2.50/0

D.0.025

考点:注册土木工程师岩土工程基础知识基础知识
题型:单项选择题

阅读理解,根据短文内容,判断正(T)误(F).

           Basketball players are usually very tall. Because they need to put the ball into the basket, But other sports players are sometimes short. Some of the best football stars are not very tall.

          Short people often have better balance (平衡) than tall people, so they don’t fall down often, In

some sports, the players must have good balance, for example, table tennis and running. You don’t need

long legs to run fast! Not all of the fast runners in the world are very tall. Some people are tall and some

are short. The tallest person in the world is 2.31 meters. She is an American. And the shortest person in

the world is only 57cm. Today, young people in many countries grow taller than their parents. This is

because they eat better food today. Good food can help children grow.

( )1. All sports players are very tall.

( )2. If you want to run fast, you must have long legs.

( )3. Most basketball players are usually very tall because they need to run fast.

( )4. The shortest person in the world is 57cm.

( )5. Today, young people grow taller than their parents because they eat better food.

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1981年中 * * 27号文件指出,经济特区的“特”字主要在于实行国家规定的特殊经济政策和特殊经济管理体制,它主要包括①较大的经济管理权限②独立的管理体制③社会主义经济领导下的多种经济成分并存④市场调节为主

A.①②③

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C.①③④

D.②③④

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