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剑桥英语一年级CommonCore标准练习册

英语学习练习

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"Spectrum1stGrade-compressed.pdf" 是一份针对一年级学生的剑桥英语练习题，旨在提升孩子们的数学和语言艺术能力，并与美国的Common Core Standards（公共核心标准）相接轨。这份练习资料包含超过100张学习卡片，这些卡片设计得既适合孩子学习，也便于家长理解。每张卡片都包含了对Common Core Standards的清晰解释，让家长能够更好地了解孩子在学校的学习内容。通过这些卡片，孩子们可以在数学和语言艺术两大领域进行技能培养的实践活动。在数学部分，学生将接触到基础的算术概念，如加减法、数字识别、形状和模式等，这些是构建未来数学能力的基础。同时，他们还将学习解决实际问题，发展逻辑思维和问题解决技巧。语言艺术部分则涵盖了阅读理解、写作技巧、词汇积累以及基础的语法知识。这将帮助孩子们提高阅读理解能力，学会如何有效地表达思想，以及掌握正确的拼写和标点使用规则。此外，资料还提供了许多家庭教育建议，给家长提供了一手的家庭辅导资源，以帮助他们在家中支持孩子的学习。这些想法和活动不仅能够巩固学校所学，还能在日常生活中创造学习机会，让孩子在愉快的环境中提升英语能力。 "Spectrum"系列是Carson-Dellosa Publishing LLC的一个品牌，这家公司位于美国北卡罗来纳州的格林斯伯勒。该出版物版权受法律保护，未经许可，不得以任何形式复制或分发。总结来说，"Spectrum1stGrade-compressed.pdf" 是一套全面的一年级英语学习资源，它结合了教育标准和家庭参与，旨在全面提升孩子的数学和语言艺术能力，同时也为家长提供了有效的家庭教育指导。

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Fiction and Nonﬁ ction

Language Arts: Reading Literature

Standard RL.1.5

Visit a public library with your child. Choose one of your child’s

favorite subjects, such as pets or trains. Ask a librarian to help your

child locate both ﬁ ction and nonﬁ ction books about the subject. Read

and compare the two types of books.

Read the titles. Check what kind of book it is.

Book Title Story (Fiction) Fact (Nonfiction)

The Life of the President

Natalie’s Great Clubhouse

in Her Yard

How to Peddle a Bike

The History of the State

of Texas

Mike’s Field Trip to the Zoo

Find three books. Write down the titles. Check what kind of book it is.

Book Title Story (Fiction) Fact (Nonfiction)

Some books tell stories. They are called fiction. Some

books give facts. They are called nonfiction.

CD-734044CI Gr1.indd 14 12/9/14 1:28 PM

Point of View

Language Arts: Reading Literature

Standard RL.1.1, RL.1.3, RL.1.6

Together with your child, make up a simple story that takes place on a

school playground. Then, have fun retelling the story from the point of

view of different characters and onlookers: an older child, a younger

child, a teacher, an ant, etc.

Read the story. Answer the questions.

The Race

Sammy Snail was sad. He wanted to run in the big race, but he was too slow.

Robby Rabbit hopped up to Sammy Snail. “Why are you so sad?” he asked.

“I am too slow to be in the big race,” Sammy

Snail cried.

“Sammy Snail, you are too slow!” Robby

Rabbit laughed as he hopped down the road.

Kami Kangaroo saw Sammy Snail on her way

to the race. “Why are you crying?” she asked.

“I am too slow to be in the big race,” cried

Sammy Snail.

“Don’t cry. I will help you,” Kami Kangaroo.

said. She picked up Sammy Snail. She dropped

him in her kangaroo pouch.

Soon, it was time for the big race. Robby

Rabbit and Kami Kangaroo raced together. As

they hopped to the finish line, Kami Kangaroo

took Sammy Snail out of her pouch. She set him down across the finish line. Sammy

Snail won the big race!

1. Who are the characters in this story? ___________________________________________

2. Which animal told Sammy Snail he was too slow? _______________________________

3. Which animal helped Sammy Snail? _____________________________________________

4. A narrator tells a story but is not a character in the story. This story has a

narrator. Write a sentence from the narrator’s part of the text. ________________

___________________________________________________________________________________

CD-734044CI Gr1.indd 15 12/9/14 1:28 PM

Using Illustrations

Language Arts: Reading Literature

Standard RL.1.3, RL.1.7

Do an online search for an image of a famous painting such as van

Gogh’s

Starry Night

or Chagall’s

I and the Village

. Admire the pictures

with your child, pointing out and describing details. Invite your child

to make up stories about the paintings.

Read the story. Answer the questions.

The Show

Ruby and her friends put on a music show. The show was in July. Judy played a

tune on her flute. Hugo played the bugle. Luke marched in his new uniform. Susan

danced in her cute tutu. June and Ruby played a duet on their lutes. Duke played

his huge tuba to end the show. Ruby said her friends were all super!

1. Color the picture. Look at the people in the picture.

2. Who did you color? _____________________________________________________________

3. Who are the characters? ________________________________________________________

4. What is the setting, or where the story takes place? ____________________________

5. What was the main event? ______________________________________________________

___________________________________________________________________________________

CD-734044CI Gr1.indd 16 12/9/14 1:28 PM

Comparing Characters

Language Arts: Reading Literature

Standard RL.1.9

Choose a fairy tale or another story your child knows well. Take turns

giving each other clues about one of the characters. Can you guess the

character based on the clues? Think of some clues that could describe

more than one character.

Read the story.

A Tale of Two Mice

Once upon a time, two little mice lived happily. One

mouse lived under a vine outside a large house. The

other mouse lived under the tiles inside the large

house.

The vine mouse liked to eat plain rice. The

tile mouse liked to eat bites of

fine food.

The vine mouse liked to play

hide-and-seek outside. The tile

mouse liked to sit inside.

The two mice were opposites.

Still, the two mice were fine

friends.

Fill in the chart. Write three facts about the vine mouse and the tile mouse.

Vine Mouse Tile Mouse

CD-734044CI Gr1.indd 17 12/9/14 1:28 PM

Reading for Details

Language Arts: Reading Informational Text

Standard RI.1.1, RI.1.5

Use a cereal box or other product package. Challenge your child

to answer your questions based on text he or she can ﬁ nd on the

package. Ask, “What is in the box? How much does it weigh? What is

it made of? How do you use it?”

Butterflies are lovely to look at, but here is how to make one you can eat!

Tasty Butterflies

You will need:

• 2 frozen pancakes

• 1 banana

• 2 grapes

• 2 pieces of link sausage

• 2 toothpicks

• jelly

Here is how to make it:

• Toast the pancakes and cut them in half. This will make the four pieces you

will need for the four wings of the butterfly.

• Peel the banana and place it on the plate. This will be the butterfly’s body.

• Place the cut sides of the pancakes next to the banana to form the

butterfly’s wings.

• Spread jelly on the “wings.”

• Use the toothpicks to hold the grapes on the banana as eyes.

• Cook the sausages and place them at the top of the banana as antennae.

Use details from the text to fill in the missing words.

1. The _________________________ will make the butterfly’s body.

2. The wings will be covered with _________________________.

3. Butterf lies have four _________________________.

4. The antennae will be made from _________________________.

5. A butterf ly has two _________________________ to see with.

CD-734044CI Gr1.indd 18 12/9/14 1:28 PM

剩余195页未读，继续阅读

已知有限长序列 x(n)=[0,1,2,3,4,5,6,7]，要求： 1，求该序列的 DFT、 IDFT 的图形； 2，用 FFT 算法求该序列的 DFT、 IDFT 的图形； 3，假定采样周期 Ts=0.2s，序列长度 N 取64时，用 FFT 计算其幅度谱和相位谱。

1. 求该序列的 DFT、 IDFT 的图形： DFT 图形： ``` import numpy as np import matplotlib.pyplot as plt x = np.array([0, 1, 2, 3, 4, 5, 6, 7]) N = len(x) n = np.arange(N) k = n.reshape((N, 1)) Wn = np....

解释doppler - Construct Doppler spectrum structure This MATLAB function constructs a Doppler spectrum structure of type specType for use with a fading channel System object. 语法 s = doppler(specType) s = doppler(specType, fieldValue) s = doppler('BiGaussian', Name,Value)

doppler函数是MATLAB中用于构造多普勒频谱结构体的函数。多普勒频谱结构体是一种特殊的MATLAB数据类型，用于表示多普勒效应对信号的影响。 doppler函数的语法如下： ``` s = doppler(specType) ...

画出指数信号f(t)= 0.5[e^(-2t)]*u(t)及其频谱（幅度谱及相位谱）。

[指数信号幅度谱](https://i.ibb.co/3YVQ0fS/amplitude-spectrum.png) 相位谱： ![指数信号相位谱](https://i.ibb.co/Px67Wd8/phase-spectrum.png) 其中，幅度谱表示信号在不同频率下的强度，相位谱表示信号在...

假设调制信号g(t)=kmsinω1t的频率ω1=5rad./s,载波信号频率ω0=20rad./s，根据解调信号的频域特性生成合适的理想低通滤波器（带宽、增益），使用python实现信号的调制与解调，画出调制信号波形，调制信号振幅谱，载波信号波形，载波信号振幅谱，已调制信号波形，已调制信号振幅谱，解调信号波形，解调信号振幅谱，低通滤波后信号波形，低通滤波后信号振幅谱。

根据调制信号和载波信号的频率，可以得出调制指数为m=1/4。理想低通滤波器的带宽应该大于载波频率，可以取带宽为30 rad/s。增益为1。下面是用Python实现的代码： ```python import numpy as np import matplotlib...

用excel给定的源光谱数据1nm和CIE1931-xyz-三刺激值数据1nm，使用MATLAB绘制出三刺激值曲线和光谱曲线。求出给定光谱的XYZ 和光谱的xyz色坐标；给出rgb与xyz的转换矩阵、 uv坐标的计算公式，计算出rgb和uv色坐标。

source_spectrum_interp = interp1(wavelength, source_spectrum, xyz(:,1)); X = trapz(source_spectrum_interp .* xyz_x); Y = trapz(source_spectrum_interp .* xyz_y); Z = trapz(source_spectrum_interp .* xyz...

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剑桥英语一年级CommonCore标准练习册

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已知有限长序列 x(n)=[0,1,2,3,4,5,6,7]， 要求： 1， 求该序列的 DFT、 IDFT 的图形； 2， 用 FFT 算法求该序列的 DFT、 IDFT 的图形； 3， 假定采样周期 Ts=0.2s， 序列长度 N 取64时， 用 FFT 计算其幅度谱和相位谱。

解释doppler - Construct Doppler spectrum structure This MATLAB function constructs a Doppler spectrum structure of type specType for use with a fading channel System object. 语法 s = doppler(specType) s = doppler(specType, fieldValue) s = doppler('BiGaussian', Name,Value)

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已知有限长序列 x(n)=[0,1,2,3,4,5,6,7]，要求： 1，求该序列的 DFT、 IDFT 的图形； 2，用 FFT 算法求该序列的 DFT、 IDFT 的图形； 3，假定采样周期 Ts=0.2s，序列长度 N 取64时，用 FFT 计算其幅度谱和相位谱。

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