ACLR是是指邻道（或者带外）发射信号落入到被干扰接收机通带内的能力，ACS是邻道选
题型：问答题 简答题
问题：
ACLR是是指邻道（或者带外）发射信号落入到被干扰接收机通带内的能力，ACS是邻道选择性。他们是如何定义的？
题型：问答题 简答题
阅读下列材料，从每题所给的四个选项（A、B、C、D）中，选出最佳选项。
We surveyed 300 young people on what they like to do at weekends. One hundred people are from the ages
of 11-18, one hundred 19-26 and one hundred 27-35. The following shows their answers:
1. How many people enjoy playing computer games in the 11-18 group? [ ]
A. 20.
B. 50.
C. 60.
D. 75.
2. The people of 27-35 enjoy most. [ ]
A. watching TV
B. going to the movies
C. playing computer games
D. taking a walk
3. According to the survey, which two activities do most people enjoy doing? [ ]
A. Playing computer games and watching TV.
B. Playing computer games and taking a walk.
C. Watching TV and going to the movies.
D. Going to the movies and taking a walk.
4. From the chart (图表) above, we can see the older people are, the more they like . [ ]
A. watching TV
B. taking a walk
C. going to the movies
D. playing computer games
5. Which of the following is TRUE according to the chart? [ ]
A. Fewest people like taking a walk.
B. The people of 11-18 like taking a walk most.
C. 90 people like going to the movies in the 19-26 group.
D. The people of 27-35 like playing computer games most.