单选题
I have been very lucky to have won the Nobel Prize twice.
It is, of course, very exciting to have such an import {{U}}{{U}} 1
{{/U}} {{/U}}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 {{U}} {{U}} 2 {{/U}} {{/U}}trying out new
things that have not been done before. Many of them will lead {{U}}
{{U}} 3 {{/U}} {{/U}}and you have to try something different, but
sometimes an experiment does {{U}} {{U}} 4 {{/U}} {{/U}}and
tells you something new and that it is really exciting. {{U}} {{U}}
5 {{/U}} {{/U}}small the new finding may be, it is great to think "I am
the only person who knows" and then you will have the fun of thinking what this
finding will {{U}} {{U}} 6 {{/U}} {{/U}}and of deciding what
will be the {{U}} {{U}} 7 {{/U}} {{/U}}experiment.
One of the best things about scientific research is that you are always
doing something different and it is never {{U}} {{U}} 8 {{/U}}
{{/U}}. There are good times when things go well and bad times when they {{U}}
{{U}} 9 {{/U}} {{/U}}. 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, {{U}} {{U}} 10 {{/U}}
{{/U}}is always fun.