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【单选题】

I have been very luck to have won the Nobel Prize twice. It is, of course, very exciting to have such an important 1 of my work, but the real pleasure was in the work itself.
Scientific research is like an exploration of a voyage of discovery. You are 2 trying out new things that have not been done before. Many of them will lead 3 and you have to try something different, but sometimes and experiment does 4 and tells you something new and that it really exciting. 5 small the new finding may be, it is great to think "I am the only person who knows this" and then you will have the fun of thinking what this finding will 6 and of deciding what will be the 7 experiment.
One of the best things about scientific research is that you are always doing something different and it is never 8 . These are good times when things go well and the bad times when they 9 . Some people get discouraged at the difficult times, but when I have a failure my policy has always been not to worry but to start planning the next experiment, 10 is always fun.

A.
amusing
B.
boring
C.
confusing
D.
exciting
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参考答案:
举一反三

【多选题】斜坡按岩层结构分类可分为以下 。

A.
顺向斜坡
B.
反向斜坡
C.
单层结构斜坡
D.
双层结构斜坡

【多选题】下列 是影响采空区地表变形的因素。

A.
矿层的厚度,埋深及产状,上覆岩石的强度、厚度、第四系堆积物的厚度
B.
岩层的地质构造条件,地下水活动情况
C.
开采方法及顶板处理方法
D.
矿层的物理、力学性质
相关题目:
【多选题】斜坡按岩层结构分类可分为以下 。
A.
顺向斜坡
B.
反向斜坡
C.
单层结构斜坡
D.
双层结构斜坡
【多选题】下列 是影响采空区地表变形的因素。
A.
矿层的厚度,埋深及产状,上覆岩石的强度、厚度、第四系堆积物的厚度
B.
岩层的地质构造条件,地下水活动情况
C.
开采方法及顶板处理方法
D.
矿层的物理、力学性质
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