Standard English Conventions

Chief Editor

Mar 17, 2024

Take all 3 MCQs in interactive quiz mode with timer and progress tracking

African American Percy Julian was a scientist and entrepreneur whose work helped people around the world to see. Named in 1999 as one of the greatest achievements by a US chemist in the past hundred years, ________ led to the first mass-produced treatment for glaucoma. Which choice completes the text so that it conforms to the conventions of Standard English?

Difficulty: Medium

Julian synthesized the alkaloid physostigmine in 1935; it

in 1935 Julian synthesized the alkaloid physostigmine, which

Julian's 1935 synthesis of the alkaloid physostigmine

the alkaloid physostigmine was synthesized by Julian in 1935 and

Seneca sculptor Marie Watt's blanket art comes in a range of shapes and sizes. In 2004, Watt sewed strips of blankets together to craft a 10-by-13-inch _______ in 2014, she arranged folded blankets into two large stacks and then cast them in bronze, creating two curving 18-foot-tall blue-bronze pillars. Which choice completes the text so that it conforms to the conventions of Standard English?

Difficulty: Medium

sampler later,

sampler;

sampler,

sampler, later,

The life spans of rockfish vary greatly by species. For instance, the colorful calico rockfish (Sebastes dall) can survive for a little over a ________ the rougheye rockfish (Sebastes aleutianus) boasts a maximum life span of about two centuries. Which choice completes the text so that it conforms to the conventions of Standard English?

Difficulty: Easy

decade: while

decade. While

decade; while

decade, while