单项选择题

Water is an essential global resource and it is up to each of us to ______ it.

A．preserve
B．maintain
C．reserve
D．conserve
<上一题 目录 下一题>
热门 试题

单项选择题
The Jerusalem municipality wants to ______ 88 homes in an Arab neighborhood of the city to make room for an archaeological park.
A．demolish
B．ruin
C．destroy
D．raze
单项选择题
Lacking ______ sensibility because of unique upbringing, Monica does not care about right and wrong.
A．amoral
B．immoral
C．moral
D．immortal
相关试题