单项选择题

In temperate regions the growth rings on turtles’ epidermal plates reflect seasonal variations in growth.

A．indicate
B．stimulate
C．include
D．prevent
<上一题 目录 下一题>
热门 试题

单项选择题
The study was the first to tell the difference between 7 and 8 hours of sleep a night.
A． Right
B． Wrong
C． Not mentioned
单项选择题
More than 1.1 million Americans participated in the six-year study.
A． Right
B． Wrong
C． Not mentioned
相关试题