题干

一个科学研究小组对5000只“冰川豹蛛”进行测量后发现,1996-2005年间,这种蜘蛛的体形平均增大了8%-10%,同期当地每年的解冻期提前了20-25 天,这支持了他们的猜想,剧烈的气候变化对当地蜘蛛的生长产生了影响。该研究小组负责人表示这种影响的后果很复杂,一下子无法估计出来,这一说法体现了 ( )
①事物间的联系是客观的,无条件的 ②事物本质的暴露和展现有一个过程
③世界总有一些秘密不能为人所理解 ④人的认识具有反复性、无限性

A:①②

B:③④

C:①③

D:②④

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答案(点此获取答案解析)

D

同类题4

   The teacher stood before his class and was going to hand out the final exam papers. “I know how 1you have all worked to prepare for this test,” he said. “And because I know you can do it well, I am willing to offer a B to anyone who would 2 not to take the test.
Many students jumped up to 3 the teacher and left the classroom. The teacher looked at the 4 students and said, “Does anyone else want to get a B? This is your last 5.” Two more students decided to go.
   Seven students remained. The teacher then handed out the 6. There were only three sentences typed on the paper: Congratulations! You have just 7 an A in this class. Keep believing in yourself.
   I never had a teacher like that, but I think it is a test 8 any teacher could and should give. Students who are not 9 in what they have learned are B students at best(充其量).
   The same is 10 in real life. The A students are those who believe in what they are doing because they have 11 both successes and failures. They have learned life’s lessons, either from normal education 12 from events in their lives, and have become 13 people.
    Scientists say that by the age of eight, 80% of what we believe about ourselves has already been formed. You are a big kid now, and you 14 that you have some limits (限制). However, there is 15 you can't do or learn or be. Sir Edmund Hillary, the first person to reach the summit of Mount Everest said, “It’s not the mountain we conquer(克服) but ourselves.