【判断题】测量误差是由于仪器本身误差、观测误差、外界自然条件影响、三方面的原因产生的。()
【单选题】The everyday objects recorded and collected by the successors to the first explorers may reveal ______.
A.
where these objects came from
B.
how they rotted in a tropical climate
C.
a glimpse of the Incan civilization
D.
the vicissitude of Amazon cultures
【多选题】练习shadowing影子跟读的两种方式是?
【简答题】Do the shadowing practice based on the example text used in the introduction to shadowing video.
【单选题】Do they _______ volleyball _______? [ ]
【单选题】What are the shadowing programs?
A.
The shadowing program is designed for students who are exploring their career options.
B.
The shadowing program is designed for students who are wishing to learn more about a particular field or position.
C.
Work shadowing programs allow you to follow an engineer through their day.
【单选题】根据本视频,水波纹的效果是那种动画实现的: