阅读短文，然后用括号中所给词的适当形式填空。

The old newspaper seller

He is sitting at the newspaper stand near the bus stop.

And he’s  ____(smile).

The Sun is ____ (shine). It’s very hot . But he’s smiling.

A bus stops, and the people rush out . They are hurrying ____ (work). They don’t have much time to smile. They take their papers ____ (quick) , and put down some money . But he’s a patient man , and he’s still smiling.

A crowd of people , all very busy , with tired ____ (face) , and just one smile. Is there just one smile in this city? Or will you make it two? Let ____ (we) make a million smiles!

如图为函数$y=m+{\log }_{n}x$的图象，其中$m,n$为常数，则下列结论正确（    ）

小华同学进行了以下四个实验，并用图像分别记录了实验过程中的现象，其中不正确的是（ ）