世界因生命而精彩。每种生命都有其存在的意义与价值,多种生命息息相关,需要相互尊重、相互关爱。下列想法或做法体现这种观点的有( )①班上同学给学校草坪放置了一块牌子,牌子上写着:“小草正在休息,请勿打扰”②尊重地球就是尊重生命,拯救地球就是拯救人类自身③人类为了更好地发展经济,可以暂时破坏自然,经济发达后再治理④看到有人在街上卖穿山甲,学生小林拨打了举报电话
With such an ecological variety, amazing natural beauty, and so much to do, it's _______ that the falls are a wonder.
Having finished the work, _______.
---When was Tom bitten by a snake? ---It was on a Sunday _______ he was taking a trip to the mountainous area.
When this new kind of virus broke out at first in Mexico, no one had the least idea that it would _______ so rapidly throughout the world.
---Is the new job a real challenge for him? ---Well, _______ difficulties he meets,I believe he will never lose heart.