态度决定一切高度，成人英语三级考试本身不难，只要大家认真复习，通过考试其实很简单，加上小编及时为考生整理的2021年成人英语三级模拟试题，通过还是很easy的，下面我们练习2021年下半年学位英语考试练习及答案。
　　1.It is determined through tests that the harmful substances in a fog droplet, such as acid, sodium, salt, amine, phenol, dusts and pathogen microbes, are dozens of times more than that in a normal atmospheric water drop.
　　答案：据测定，雾滴中各种酸、碱、盐、胺、酚、尘埃、病原微生物等有害物质的比例，比通常的大气水滴高出几十倍。
　　2.The United States Green Building Council, a nonprofit industry group that encourages the creation of environmentally conscious buildings, will introduce a bird-safety credit this fall as part of its environmental certification process.
　　答案：美国绿色建筑协会是一家非盈利工业组织，鼓励建造注重环境的建筑物，并将于今秋引入鸟类安全标准作为其环境认证过程的一部分。
　　3.Such crashes are the second-leading cause of death for migrating birds, after habitat(栖息地loss, with an estimated number of death ranging up to a billion a year.
　　答案：继栖息地减少之后，这种撞击是导致迁徙鸟类死亡的第二大原因，据估计死亡数量可达十亿。
　　4.If the Chinese people work hard, they can definitely attain this grand strategic objective.
　　答案：只要人民积极奋斗，这个宏伟战略目标定能达到。
　　5.For weeks he had worried over how to convince the graduates that they, too, could succeed against seemingly impossible odds, that they could move mountains.
　　答案：几个星期以来，他一直苦苦思索着，如何让这些毕业生相信，他们也能克服似乎难以挑战的困难获取成功，他们也能创造奇迹。