下图所示为沿23°26′S的海陆分布示意图，读图回答下列小题。

小题1:①、②、③所代表的大洋分别是

A．太平洋、大西洋、印度洋

B．印度洋、太平洋、大西洋

C．太平洋、印度洋、大西洋

D．印度洋、大西洋、太平洋小题2:图中地形西部为山地、中部为平原、东部为高原的陆地是

A．甲

B．乙

C．丙　　

D．丁小题3:图示区域穿越了全球六大板块中的

A．两大板块

B．三大板块

C．四大板块

D．五大板块

The Japanese Macaca monkey has been studied in the wild for over 50 years. In 1952, on one small Japanese island, scientists dropped some (21) in the dirt for the monkeys. The monkeys liked their taste, but they found the dirt (22) .
One clever 18-month-old monkey found she could (23) the problem by washing the sweet potatoes in a nearby river. She taught this to her mother. Her (24) also learned this new way and they taught their mothers too.
All the younger monkeys (25) learned to wash the dirty sweet potatoes to make them (26) to eat. But many old monkeys found it very hard to learn this and still ate the (27) sweet potatoes.
Then something very strange (28) In the autumn of 1958, scientists found that the monkeys on other nearby (29) began washing their sweet potatoes too. Scientists still don’t fully understand how this knowledge was (30) from one island to another.

Ⅱ. 完形填空

A．nicer

B．smaller

C．lighter

D．drier