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【简答题】
生态平衡是指在一定时间内生态系统中的生物和环境之间、生物各个种群之间,通过能量流动、物质循环和信息传递,使它们相互之间达到高度适应、协调和统一的状态。在一定限度的干扰下,生态系统能通过自我调节恢复到初始的稳定状态,一旦超过就会衰退乃至崩溃。 根据上述定义,下列表述不正确的是( )。
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举一反三
【单选题】Tom was made_______ his own clothes by his mother.
A.
wash
B.
washed
C.
to wash
D.
washing
【简答题】本门课的课程目标是什么?
【单选题】Tom was brought _____ by his uncle.
A.
out
B.
down
C.
up
D.
about
【简答题】请同学们准确写出本门课程的名称《 》。
【单选题】Tom was about to close the window     his attention was caught by a bird.A.when   B.ifC.and   D.till
A.
Tom was about to close the window____his attention was caught by a bird. A.when
B.
if
C.
and
D.
till
【多选题】关于本门课程,开课前需要同学们认真了解的内容有:
A.
课程简介(课程概述)
B.
教学大纲
C.
教学日历
D.
教学平台
【单选题】本 节 课程中所提到的作业请同学们认真完成,小心保存并拍照,同学们务必认真完成。
A.
知道了
B.
不清楚,到课程论坛中查看或留言咨询老师
【单选题】Tom was made ___ by his little sister.
A.
to cry
B.
cry
C.
crying
D.
cried
【单选题】( )以特定的行为术语作出表述.如“掌握”、“了解”和“应用”。
A.
课程目标
B.
课程内容
C.
课程评价
D.
课程范围
【单选题】Tom was made _______ his own clothes by his mother. [     ]
A.
wash
B.
washed
C.
to wash
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