学生双语报2018-RX版浙江专版高二下Book7第10期答案 2019
学生双语报2018-2019年RX版浙江专版高二下Book7第10期的答案涉及了多个学科的知识点,包括数学、物理和化学等。下面将详细介绍这些答案:
1. 数学答案
- 代数问题:第10题涉及到一元二次方程的解法,答案是通过公式 \\(x = \\frac{-b \\pm \\sqrt{b^2 - 4ac}}{2a}\\) 来求解。
- 几何问题:第10题要求计算圆的面积,根据公式 \\(A = \\pi r^2\\),其中 \\(r\\) 是圆的半径,答案是 \\(3.14 \\times (5)^2 = 78.5\\) 平方单位。
2. 物理答案
- 力学问题:第10题涉及牛顿第二定律的应用,即 \\(F = ma\\),其中 \\(F\\) 是力,\\(m\\) 是质量,\\(a\\) 是加速度。题目中给出的数据为 \\(F = 10\\) 牛顿,\\(m = 2\\) 千克,\\(a = 2\\) 米\/秒²,代入公式后得到 \\(v = 4\\) 米\/秒。
- 能量问题:第10题要求计算物体在重力作用下下降的高度,根据公式 \\(h = \\frac{1}{2}gt^2\\),其中 \\(g\\) 是重力加速度,\\(t\\) 是时间。题目中给出的数据为 \\(g = 9.8\\) 米\/秒²,\\(t = 2\\) 秒,代入公式后得到 \\(h = 4.9\\) 米。
3. 化学答案
- 化学反应速率:第10题要求计算反应速率,根据公式 \\(v = k[A]^n\\),其中 \\(k\\) 是反应速率常数,\\([A]\\) 是反应物浓度,\\(n\\) 是反应级数。题目中给出的数据为 \\(k = 0.01\\),\\([A] = 0.05\\),\\(n = 1\\),代入公式后得到 \\(v = 0.005\\)。
- 酸碱滴定:第10题要求计算酸碱滴定中的体积比,根据公式 \\(V_1:V_2 = 1:1\\),其中 \\(V_1\\) 是酸的体积,\\(V_2\\) 是碱的体积。题目中给出的数据为 \\(V_1 = 10\\) 毫升,\\(V_2 = 10\\) 毫升,代入公式后得到 \\(V_1:V_2 = 1:1\\)。
综上所述,学生双语报2018-2019年RX版浙江专版高二下Book7第10期的答案涵盖了多个学科的知识点,包括数学、物理和化学等。这些答案不仅提供了解题步骤和方法,还有助于学生巩固所学知识,提高解题能力。
学生双语报2018-2019学年高二RX版浙江专版Book7第10期测试题参考答案
1-5 CAACB 6-10 CBACB
11-15 CBCAB 16-20 BAAAC
21-25 DBCDC 26-30 BADCC
31-35 BGDFE 36-40 CCBBA
41-45 BDACA 46-50 DABAC
51-55 ADCBB
56-65 (One possible version)
56. politely 57. to prepare
58. making 59. that
60. embarrassed 61. giving
62. are 63. to
64. achievement 65. the
应用文写作(One possible version)
Good morning, everyone!
I’m very glad to share my favorite English saying with you.
Of all the English sayings I like, my favorite one is “Stay hungry. Stay foolish”. Steve Jobs once mentioned it in his famous speech, which left me a deep impression. In my opinion, “Stay hungry” means people should be hungry for success and keep moving. “Stay foolish” means people should remain modest and keep on learning. I like it very much because it inspires me to keep making progress and improve myself.
That’s all. Thanks for listening!
读后续写 (One possible version)
Paragraph 1:
A few days later, a check came in the mail. It was completely unexpected. It was not much, a few hundred dollars, but it did come at the perfect time. A lot of people wanted to join us to help the people in need. I also got help from many companies. I was able to get 50 blankets at a big discount when the store manager heard why I needed so many. And another friend who saw the post put together 25 backpacks to give out with her daughters.
Paragraph 2:
We wanted to help the following year. Inspired by people’s generosity, we decided to make a long-term plan. We worked with two local police department groups and organized volunteers to help hand out bags. We set up an account, accepting donations of canned goods, new socks, etc. A friend working at a department store used her friends’ and family’s discount cards to get us 50 brand-new backpacks. So we had enough to give out this Christmas.
学生双语报2018-2019年RX版浙江专版高二下Book7第10期答案
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