7 . Alia found herself disappointed in the drawing studio after missing out on picking her classes due to illness. She had hoped for Biology, but it was ___________ by the time she got to choose. She loved everything about science, from the way it used facts to how it revealed the basic nature of things. But ___________ was so... un-scientific.

The first class project was self-portraits (肖像). Some students were drawing self-portraits using___________. Others were working from photographs. Alia___________the incomplete outlines, feeling like a cat in a dog show.

The teacher ___________ her. “Every portrait begins with a circle,” he said. “Then you create a series of lines.” To ___________, he drew a group of small, quick portraits. He began each one with a ___________ , some straight lines, and a triangle (三角形) to determine ___________ the eyes, nose, and chin (下巴) should go.

___________, Alia began her own self-portrait. She ____________ the basic form of a head, the way she had been shown. From there, she used lines to plot the ____________ of her face. The process took patience and ____________ . She had to take note of each detail. One wrong measurement could throw off the whole ____________.

Alia was surprised by the structure and discipline involved in drawing a portrait. Measuring, studying details and ____________ the basic nature of something ______________ her of what she loved about science.