The Discussion simply repeats or rearranges the Introduction.

Constant progression means that one theme repeats constantly.

If a motion repeats after equal intervals of time, it is called a ( ) motion.

There is nothing to do but ______ the experiment. A: to repeat B: repeating C: repeats D: D. repeat

He _______ his father in appearance but not in height. A: repeats B: looks C: resembles D: likes

中国大学MOOC: CRISPR/Cas9的表达期内，spacers和repeats序列一起被转录成长链的（

中国大学MOOC: CRISPR/Cas9的表达期内，spacers和repeats序列一起被转录成长链的（ ）

A senior woman always repeats statements and questions over and over, not realizing that she has asked the question before. She tends to forget conversations, appointments or events. This woman may be diagnosed with _________.

中国大学MOOC: An _____ question is a type of direct question that repeats part or all of something, which someone else has just said. It is also called a parrot question or a repeat, please question.

​The end of a speech usually refers back to the beginning in the way ______.‌​‌ A: it repeats the central idea proposed at the beginning B: it restates the central idea and echoes the lead-in C: it leaves a deep impression D: it tries to create a suspense