Since it is now______to build the complex central processing unit of a computer on a single silicon chip using photolithography and chemical etching, it seems plausible that other miniature structures might be fabricated in______ways.

单项选择题Parts of 17th century Chinese pleasure gardens were not necessarily intended to look______, they were designed expressly to evoke the agreeable melancholy resulting form asense of the______of natural beauty and human glory.

单项选择题Yellow fever, the disease that killed 4000 Philadelphians in 1793, and so______Memphis, Tennessee, that the city lost its charter, has reappeared after nearly two decades in ______the Western Hemisphere.