【单选题】Questions 1 and 2 are based on the following news report.
A.
Between the ages of 8 and 10.
B.
Between the ages of 12 and 18.
C.
Between the ages of 18 and 20.
D.
Between the ages of 20 and 24.
【单选题】Questions 1 and 2 will be based on the following news item.
A.
Fixing up the clinic inhabited by ducks and chickens.
B.
Repairing and modernizing the village schoolhouse.
C.
Installing solar panels and lights in a French colonial house.
D.
Learning the geography, language and culture of Senegal.
【简答题】由( )可以看出机器零件尺寸精度的高低。
【单选题】由( )可以看出机器零件尺寸精度的高低。
【简答题】由( )可以看出机器零件尺寸精度的高低。
【单选题】由( )可以看出机器零件尺寸精度的高低。
【单选题】一段相同内容的视频采用哪种压缩格式能得到较小的体量和较高的清晰度