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Which of the following plants has no differentiation of roots, stems and leaves [] A. Algae B. Bryophytes C. Ferns D

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Which of the following plants has no differentiation of roots, stems and leaves

A. Algae

B. Bryophyte

C. Pteridophyte

D. Seed plant

Best answer:

A

Answer analysis:

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Test core:

Basis for classification: to classify plants, it is mainly to observe their morphological structure, find their common or different characteristics, and determine their kinship. Flowers, fruits and seeds are the main basis for angiosperm classification, because their morphology and structure are relatively stable, their survival time is short, and they are less affected by the environment. Classification of plants:

Listen to the wind in the rain 2024-06-21 13:54:22

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A poem describing Mount Huangshan's Tiandu Peak

A poem describing Mount Huangshan's Tiandu Peak:
1. The isolated peak suddenly appears green and empty, and the joy is like the old capital. The divine horse has galloped far away, but it is doubted that there is really two Wenshu—— Li Misun's "The Second Rhythm Public Reveals the Palace Religion to See the Heavenly Capital Peak"
2. Strange and dangerous days are all here, and remote viewing is also predestined. Daxiong has no harmony with others, and he is the first to be weak. Suddenly, it's cloudy and sunny. Clouds rise to rain, and water pours in the mountain spring. Yanjian is not loose, but euphemistic—— Feelings of Watching Tiandu Peak on the Way from Tangchi to Ciguang Temple
3. Nine top people on Mount Huangshan, cross the ancient and modern sense of dust. Laughing, the sky is full of passengers on the peak, and the world is just a few feet away—— Liu Haisu's "Painting Tiandu Peak"
4. Weidi has a lower capital, which is the town of the southern country. Standing alone in the purple jade tower, I can't stand the blue sky. Crystal bright sand sinus red, white spring gentry. The clear clouds hide endlessly, and the sun curls up on the rocks. The 35 peaks are far away from each other. The joint inspection is very small. Please discuss the position of the staff—— Tiandu Peak by Fan Chengda
5. The mountains and rivers are superior in shape to the east of the Yangtze River, and the nine flowers reflect the Tiandu Peak. Rumor has it that Tang has long suspected that he would like to be obedient. When I came to Qiupu, the official was appointed, and the city was tired of dust. I have been talking about the city, and I have been idle for two years. There is no reason to climb Mount Huangshan to appreciate the original. He Qiyi's peaceful tour. The clear pool pavilion harms the sun's beauty, and the towering pavilion stands deep and serene. Open your mind by leaning against the high place, and the precipice is a half sky jade. Returning to the stream for thousands of miles, you can see a distinctive spiral bun. Zhuang Huai was hanging high in the purple sky, looking down at Peilou and really punching. There are countless beautiful meals in ancient and modern times, and the pen ends are used to pick up raw cigarettes. If the trace does not chase the flowing water, the ancient temple faces each other for two or three miles. The wind and moon must make friends during the leisure time. Do not wake up when the gulls and herons sleep together—— Shi Yingsun's Tour of Huangshan

How many factors of one, seven, ten

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Integer is a collection of positive integers, zero, and negative integers. All integers form an integer set, which is a number ring. In the integer system, zero and positive integers are collectively referred to as natural numbers- 1. - 2, - 3,..., - n,... (n is a non-zero natural number) are negative integers. Then positive integers, zero and negative integers form an integer system. Integers do not include decimals and fractions.

What does it mean to make people delay

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From The Book of Jin · The Biography of Wang Xizhi: "Zhang Zhi learned to write in the pool, and the water in the pool was completely black, so that people could not wait to learn to write." It means that in the Eastern Han Dynasty, Zhang Zhi learned to write in the pool, and the water in the pool became black. If people in the world were as obsessed with calligraphy as he was, they would not be inferior to him.
Shi means:
1. Dispatch. From Zuo Zhuan, the 23rd year of Xianggong: "Young Master Huang Suo celebrated in Chu for the second time, and Chu people called him to make him happy. Kill him."
2. Command. From the "Records of the Historian · History of Xiang Yu": "King Huai made Xiang Yu the supreme general, and both Dangyang Jun and Pu General belong to Xiang Yu."
3. To cause. From Han Yu's "Poems in Autumn": "His words have feelings, making me sad again."
4. An envoy. From Han Yu's "Preface to Sending Yin Yuan": "Today, I have sent thousands of miles to foreign countries, only a little out of words. Don't you really know how important my husband is?"
5. Assumption. From Han Yu's Preface to the Administration of Han Shiyu, the Water and Land Transport Envoy: "If you use all your strategies, there will be no land in the northwest, which can be expected."

What is meant by exercise book

"Homework book" means the book specially used by students or other learners to do homework and the exercise book usually used to assist teaching materials. For example, homework books, such as math books, foreign language books, composition books, and some books are used as draft books. Some highly specialized technical work or more complex types of work require detailed data recording; The special record book for the completion of the operation procedures is also called "operation book".
Sentence of "homework book":
1. The cover of this exercise book is very novel.
2. The teacher often checks our exercise books in class.
3. Without the approval of the teacher, no one is allowed to go to the podium to get the exercise book.
4. I lost my homework book. I felt like an ant on a hot pot.
5. The exercise books are piled high in a pile. All the books are spotless.
6. This kind of exercise book has been on the counter for more than half a month because of its inferior quality and high price.
7. It is more than enough to buy pencil boxes, exercise books and school bags with the money sent by my sister.
8. She walked carelessly to the teacher and handed her exercise book to the teacher.
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