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试题答案

本文从以下几个角度介绍。

    1、哈三中2024-2024高三期中考试生物
    2、哈三中2024高一下期中生物
    3、哈三中2024-2024学年度高三学年第一次验收考试生物
    4、哈三中2019-2024学年度上学期高一生物
    5、2024年哈三中高三学年第一次模拟考试生物
    6、2024哈三中高三最新生物试题
    7、哈三中高三开学考试生物
    8、哈三中高一上学期期末考试生物
    9、哈尔滨市第三中学高一下学期第一模块考试生物
    10、哈三中高一期末生物试题

6、哈三中2024-2025学年下学期高一4月月考地理试题


5、哈三中2024-2025学年下学期高一4月月考生物试题


Find out what disasters are possible in your area by visiting your local library.
Think about where your family should go if your house is destroyed.
Teach children the warning signs and signals in your area and practice what to do if a disaster happens
Once you know the danger, ask your children to help check the safety in your house. You and your children can also work together on a disaster plan and prepare a disaster box with food, water and necessary tools.
If a disaster does happen, pay attention to your children’s behavior. Changes in behavior, for example, acting strangely, mean that your children need help.
Allow children to share their feelings about what has happened such as drawing a picture or writing a story.
Let friends and neighbors help you if they can.


Doing sports is good for our body and mind. Today, exercising through online videos is becoming popular. With the Internet, people can do it anytime, anywhere.
One of my friends, Lin Fei, followed short videos to do daily exercise. “With live programs, I feel like I am working out with my friends, which encourages me to hold on to the last minute,” she said. Another friend of mine, Michael, told me that working out through videos made him feel comfortable. “I have a fear of working out at the gym, because I don’t like being watched by people around me. But working out at home doesn’t make me feel embarrassed,” he said.
Hearing about their experiences, I decided to give it a try. When I told my plan to my elder sister, a P.E. teacher, she said that workout videos could be helpful but might still carry some problems.
“Without being with someone in person, you will be less willing to work out to your best. Working out at the gym allows you to have advice in real time and get pushed harder,” my sister said to me. “Well, if you really want to have a try, first, choose proper programs or videos. That’s very important. And then ask your friends for advice. Their experiences can give you a better understanding of what you can expect. Anyway, don’t depend too much on it. You should try some different ways too.”
At her suggestions, I followed an online program for three months, which also offered advice to meet my personal needs. After the first period of training, I felt it very practical and helpful when I put in the right amount of work with a strong pared with going to the gym, using online videos is a much cheaper and time-saving choice. But it can be difficult sometimes when I’m too lazy or too busy to stick with it.
37．What do the writer’s friends think of working out through online videos
A．Lin Fei likes it but Michael doesn’t. B．Both Lin Fei and Michael like it.


5、哈三中2024-2025学年下学期高一4月月考物理试题


4、哈三中2024-2025学年下学期高一4月月考物理试题


4、哈三中2024-2025学年下学期高一4月月考地理试题


6、哈三中2024-2025学年下学期高一4月月考语文试题


6、哈三中2024-2025学年下学期高一4月月考生物试题


5、哈三中2024-2025学年下学期高一4月月考生物试题


D.合理使用食品添加剂
2.《天工开物》是我国古代科技发展的智慧结晶。书中记载：
“每金七厘造方
片”，体现了黄金具有的物理性质是
A.磁性B.延展性
C.导电性
D.导热性


D 向沸水中滴入几滴FeCl3饱和溶液，继续煮沸至溶液变红褐色，停止加热，用激光笔照射，出现一条光亮通路 有Fe(OH)3胶体生成
A．A B．B C．C D．D
【答案】C
【详解】A．用洁净铂丝蘸取某溶液在火焰上灼烧，火焰呈黄色，说明含有钠元素，故A正确；
B．二氧化硫易溶于水，故把充满、塞有橡胶塞的试管倒立在水中，打开塞子，随着二氧化硫溶于水，试管内压强降低，试管内液面会缓慢上升，故B正确；
C．会与空气中的二氧化碳反应产生碳酸钠，因此取久置的粉末，向其中滴加过量的盐酸，过氧化钠与盐酸反应生成氯化钠、水和氧气，碳酸钠与盐酸反应也能产生无色气体，可知无论是否变质，均有无色气体产生，则该方法无法证明过氧化钠是否变质，故C错误；
D．向沸水中滴入几滴饱和溶液，继续煮沸至液体呈红褐色，停止加热，用激光笔照射，出现一条光亮通路，这是胶体具有的特征，说明有胶体生成，故D正确；


3、哈三中2024-2025学年下学期高一4月月考化学答案