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【单选题】
Research Is a State of Mind For many years there has been much misunderstanding as to just what research is. The popular conception seems to be that there is something mysterious about it, and before any research can be done it is necessary to have expensive scientific apparatus and large, elaborately equipped laboratories. Actually, this is not so. (6) It is a simple, organized way of trying to accomplish something you wish to do—so simple that anyone can do research anywhere at any time. First, you select the problem you would like to solve, then you list at least ten reasons why it has not been solved. (7) It takes just as much effort to solve a useless problem as a useful one. (8) After carefully—and I want to emphasize that word “carefully”—selecting the problem and the ten things between you and the solution, you then use the same procedure as in solving a crossword puzzle.(9)In the solution of the remaining obstacles you may need some simple apparatus, but the things you will probably need most are infinite patience and persistence. Few people realize the difficulties of doing any new thing. Maybe one of the reasons people are so easily discouraged is because of their education. During all our years at school we were examined two or three times a year. If we failed once, we were out. (10)If we are going to make progress, we must learn to fail intelligently so that we won't become discouraged at the 99.9 per cent failure. 6.()
A.
Make sure the game is worth the candle.
B.
That is a step in the right direction, but I don't believe it is enough.
C.
You take the easy obstacles first and by a process of elimination you eventually arrive at the one or two major ones.
D.
But in selecting the problem, you need to be sure to analyze it carefully to see that it is worth the effort.
E.
Research isn't a physical thing at all; it's a state of mind.
F.
By contrast, all research work is 99. 9 per cent failure and, if we succeed once, we are in.
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【单选题】牛奶中的碳水化合物主要是( )
A.
果糖
B.
乳糖
C.
麦芽糖
D.
葡萄糖
【单选题】牛奶中含的碳水化合物主要是( )。
A.
果糖
B.
乳糖
C.
蔗糖
D.
麦芽糖
【单选题】设随机变量X服从参数为 的泊松分布,且满足 ,则 =( )
A.
1
B.
2
C.
3
D.
4
【单选题】牛奶中所含的碳水化合物主要是
A.
蔗糖
B.
乳糖
C.
葡萄糖
D.
半乳糖
【单选题】随机变量X服从参数为 的泊松分布,且P{X=1}=P{X=2},则 ()
A.
1
B.
2
C.
3
D.
4
【简答题】牛奶中的蛋白质是以____为主,而人奶中的蛋白质以____为主,牛奶中的碳水化合物主要是____
【判断题】牛奶中的碳水化合物主要是半乳糖,所以中国人不需要担心乳糖不耐症。
A.
正确
B.
错误
【单选题】选出下列对服务理念理解不全面的一项是____________。
A.
饭店服务的最高价值是享受
B.
享受=舒适+情感+美感
C.
服务理念的核心是宾客至上
D.
宾客至上的实质是给客人以充分的尊重
【单选题】牛奶中存在的碳水化合物主要是( )
A.
乳糖
B.
半乳糖
C.
果糖
D.
麦芽糖
【单选题】牛奶中的碳水化合物主要是( )
A.
乳糖
B.
半乳糖
C.
葡萄糖
D.
糖原
E.
淀粉
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