关于真理标准问题的讨论，为我们党冲破“两个凡是”的严重束缚、重新确立马克思主义的

发布时间：2017-05-12 20:24 │ 来源：www.tikuol.com

题型：选择题

问题：

关于真理标准问题的讨论，为我们党冲破“两个凡是”的严重束缚、重新确立马克思主义的思想路线奠定了理论基础，为党的十一届三中全会实现历史转折、我国迈向改革开放的新时期作了思想准备，为我们党在改革开放30多年中坚持和发展中国特色社会主义道路、形成中国特色社会主义理论体系提供了强大的精神动力。这说明[ ]

A．正确的认识对实践具有指导作用

B．真理都是具体的有条件的

C．只要解放思想，就能取得成功

D．人的认识具有反复性

考点：实践与认识的辩证关系

题型：选择题

完形填空。

     I grew up poor-living with my wonderful mother. We had little money, but plenty oflove and attention.
I was   1   and energetic. I understood that no matter how poor a person was, he could still afford a dream.
     My dream was athletics. When I was sixteen, I started playing baseball. I could throw a ninety-mile-per-
hour fastball and   2   anything that moved on the field. I was also   3 : my high school coach was John,
who believed in me and, more importantly, taught me how to believe in myself. He   4   me the difference
between having a dream and remaining true to that dream. One unusual   5   with Coach John changed my
life forever.
     A friend helped me to find a summer job. This meant a chance for money in my pocket for a new bike,
new clothes and the   6   of saving for a house for my mother. Then I realized I would have to   7   up summer
baseball and that meant I would have to tell John I wouldn't be playing.
     When I told John, he was   8 as I expected him to be. "You have your whole life to work," he said. "You
don't have too many playing days in your life. You can't afford to waste them." I stood before him with my
head   9 , trying to think of the  10  that would explain to him why my dream of buying my mom a house and
having money in my pocket was worth facing his disappointment in me.
     "How much are you going to make at this job, son?" he asked.
     "3.5 dollars an hour," I replied.
     "Well," he asked, "is $ 3.5 an hour the price of a dream?"
     That simple question made me understand the difference between  11  something right now and having a
goal. I decided myself to play sports that summer and within the year I was taken on by the Pittsburgh Pirates
to play baseball, and was  12  a $ 20 000 contact (agreement). In the same year, I bought my mother the house
of my dream!

( )1. A. happy
( )2. A. kick
( )3. A. right
( )4. A. gave
( )5. A. accident
( )6. A. view
( )7. A. put
( )8. A. angry
( )9. A. on
( )10. A. questions
( )11. A. wanting
( )12. A. paid

B. popular
B. play
B. shy
B. taught
B. interview
B. idea
B. take
B. helpful
B. up
B. choices
B. changing
B. got

C. famous
C. pass
C. lucky
C. brought
C. problem
C. start
C. give
C. frightened
C. off
C. words
C. dreaming
C. offered

D. honest
D. hit
D. comfortable
D. asked
D. experience
D. purpose
D. pick
D. shameful
D. down
D. ways
D. saying
D. allowed

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设等差数列{a_n}满足a₃=5，a₁₀=﹣9．

（Ⅰ）求{a_n}的通项公式；

（Ⅱ）求{a_n}的前n项和S_n及使得S_n最大的序号n的值．

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（12分）如图所示，水平传送带AB长为20m，传送带以2.0m/s的速度匀速运动。现在A处放一质量为m无初速度的小物体，已知物体与传送带之间的动摩擦因数为0.4；（g=10m/s²）

求：（1）小物体从A运动到B所用的时间为多少？

（2）若要使小物体从A运动到B所用的时间最短，则传送带的速度至少应为多少？

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下列图形中，一定相似的是（　　）

A．两个直角三角形

B．两个等腰梯形

C．两边对应成比例且有一个角相等的两个三角形

D．任意两个等边三角形

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我国地势第二级阶梯的主要地形是（　　）

A．丘陵、平原

B．丘陵、盆地

C．高原、山地

D．高原、盆地

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