You must observe and gather information like Nicolaus Copernicus ________ you want more career advancement opportunities

The woman in blue is Jack’s aunt.

下列诗句填入所给《早春南征寄洛中诸友》一诗横线处，恰当的一项是楚色穷千里，行人何苦赊。芳林逢旅雁，候馆噪山鸦。春入河边草， 。东风一樽酒，新岁独思家。

What class are you in —I’m in ____, ____.

26In the book, Newton is shown as a gifted scientist with very human weaknesses who stood at the point in history ______ magic ended and science began