Having studied your report carefully, I am ____that your solution is much better than mine.
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When giving a lecture, Frank often prepared some pictures to ____how the situation mentioned in the text took place.
A report released last week by the United Nations shows that the unemployment rate in this country has ____from about 3% to 6.5%.
因为发现不相容原理,泡利什么时候获得诺贝尔物理学奖?()
A. 1940
B. 1949
C. 1950
D. 1945
根据泡利不相容原理,微观粒子可以分为什么粒子?()
A. 电子和中子
B. 费米子和玻色子
C. 质子和中子
D. 光子和电子