[九师联盟]2025-2026学年高二2月质量检测数学D答案
[九师联盟]2025-2026学年高二2月质量检测数学D答案于2026-02-05发布，目前已经汇总了[九师联盟]2025-2026学年高二2月质量检测数学D答案的各科答案和试卷，更多试卷答案请关注本网站。
本文从以下几个角度介绍。
- 1、九师联盟2026~2026高二一月数学答案
2、2026九师联盟高二期末
3、九师联盟2026高三二月质量检测数学
4、九师联盟2025-2026学年高三2月质量检测巩固卷数学
5、九师联盟2025-2026学年高二1月联考理科数学
6、九师联盟高二数学12月考试
7、九师联盟2025-2026高二10月质量检测答案
8、2026年九师联盟12月高二质量检测
9、九师联盟高二联考数学
10、2026年2月九师联盟数学
[九师联盟]2025-2026学年高二2月质量检测数学D试题
[九师联盟]2025-2026学年高二2月质量检测数学D试题
What’s more，job interview body language suggests 8. (make) use of your hands through subtle(微妙的) gestures.You can try touching your fingertips and moving your fingers as you speak，indicating your honesty and openness.
Last but not least，touching your head or neck makes the other person think of you as being 9.__________(bore)．Instead，keep your shoulders relaxed and facing the interviewer 10.___________(show) your involvement.
读写积累 1．significant adj.重要的；显著的 2．perceive v．意识到；察觉到；认为 3．ensure v．确保；担保 4．vital adj.必要的，至关重要的 5．maintain v．维持，保持 6．shoulder n．肩膀；路肩 v．承担
B
Birds are highly intelligent creatures，with complex and specialized forms of communication.Each species has 1. unique way of using body language and vocalizations(发声) to communicate.However，there are things 2. birds do in general that you can understand.If you pay attention to your 3. (bird) regular mannerisms，you will be able to identify when they have changed.Also，you need to look at their movements or behaviors in context 4. (understand) them.If you can do this，you 5. (be) closer to understanding what your feathered friend is trying to communicate to you.
Birds are 6. (typical) very clean creatures and they spend a lot of time cleaning，preening and grooming their feathers.This is natural self-care behavior that is important for birds to do.Bathing is an important part of feather maintenance for birds.If your bird stops 7.______________(bathe)，that is a sign that it is no longer taking care of 8. (it)．This could signal depression，body pain，or lack of mobility.A bird that is singing or whistling a lot is likely very happy.A bird that is 9. (satisfy) is likely to chatter or talk a lot.10._____________ fact，if you spend time with them，they are likely to increase this chatter when you come around.
读写积累 1．specialized adj.专门的；专业的；专用的 2．feathered adj.有羽毛的；覆盖着羽毛的 3．typical adj.典型的；特有的；一贯的；平常的 4．depression n．抑郁(症)；消沉；萧条 5．whistle v．吹口哨；呼啸着行进；鸣叫 n．哨子；哨子声；汽笛(声)
2、[九师联盟]2025-2026学年高二2月质量检测数学D答案
4、[九师联盟]2025-2026学年高二2月质量检测数学D答案
6、[九师联盟]2025-2026学年高二2月质量检测数学D答案
1、[九师联盟]2025-2026学年高二2月质量检测数学D试题
2、[九师联盟]2025-2026学年高二2月质量检测数学D答案
【知识点】速度公式及其应用；声音的传播条件；超声波与次声波
【解析】【解答】声音可以在液体中传播，超声测位仪利用声音可以在液体中传播来工作的；
由于接收到的是回声，则声音通过的路程为：s=2×6.75×103m=1.35×104m，计算接受到超声波所用的时间：。故第1空填：液体；第2空填：9.
【分析】声音可以在固体，液体、气体中传播；根据接收到回声，利用，计算时间。
28．【答案】光沿直线传播；不能；减小
【知识点】光的直线传播及其应用
【解析】【解答】由图丙可知，两侧之所以看不清屏幕内容，是由于光的直线传播现象，百叶窗挡住了屏幕射向侧方的光线；
[九师联盟]2025-2026学年高二2月质量检测数学D答案
