1 . 一只老鹰飞过被大雪盖顶的山峰，这一景象倒映在山脚下平静的湖面上。(snow-capped;定语从句)(汉译英)

2 . Our government has issued the ban on fishing in the Yangtze River in certain periods, ________ aim to protect endangered species will be achieved.

A．which

B．who

C．whose

D．when

3 . Volunteers in China, _______ are playing an increasingly important role in many fields, are actively participating in the battle against COVID-19 at present.

A．which

B．that

C．who

D．where

4 . It was difficult to keep a positive attitude when I had a list filled with things to do, _____ none sounded like fun.

A．for which

B．to which

C．of which

D．from which

5 . After a 57-day hiking, the explorers finally reached a place, ________ they believed was the South Pole.

A．which

B．where

C．that

D．as