分别写出2种用根、茎、叶繁殖后代的植物？
用根繁殖后代的植物：
用茎繁殖后代的植物：
用叶繁殖后代的植物：

其他试题

【题文】在我们生产、生活中广泛地用到了轮轴。你知道的有哪些？（写出三种以上）【题文】如果按材料分，桥一般可以分为哪几类？【题文】在日常生活中我们常见的有哪些简单机械？（至少写出三种以上）【题文】把种子放在纸巾上洒一点水，目的是（　　　　）。

A．保持水分

B．保护种子别碰伤

C．纸巾别被风吹走

【题文】把洒了水的种子放在冰箱里不会发芽是因为（　　　　）。

A．冰箱温度过低，不适宜种子发芽

B．冰箱中没有种子萌发所需要的足够的空气

C．冰箱里光线暗淡，不适合种子萌发

【题文】下列不是茎的作用的是（）。

【题文】不属于虫媒花特点的是（　　　　）。

A．花瓣鲜艳

B．气味芳香

C．花蜜甜美

D．花粉多而轻

【题文】雪松的叶子为针形，是为了适应（）。

A．高山寒冷的气候

B．干旱的沙漠气候

C．雨水充足的热带沿海气候

【题文】下面的描述不能让自己的身体发声的是（）。

C．转动眼珠

【题文】声音进入外耳道后会引起（）的振动。

【题文】能听到远处人的说话声，是因为声音在（）中传播。

【题文】在下列材料中，声音的传播效果最好的是（）。

【题文】下列关于保护听力的说法不正确的是（）

A．远离噪音

B．勿乱挖耳

C．戴耳机长时间听歌

【题文】种子萌发所需的外界条件是（　　）
①适量的水分　②充足的光照　③适宜的温度　
④丰富的养料　⑤充足的空气

A．①②③	B．①③⑤
C．①②③④	D．①②③④⑤

【题文】人工辅助授粉时，花粉必须落到（　　　　）上。

【题文】绿色开花植物一般都要经历（）。

A．发芽期幼苗期开花期结果期

B．发芽期幼苗期生长期开花结果期

C．发芽期生长期幼苗期开花结果期

【题文】我们吃的土豆是植物的（），我们吃的地瓜是植物的（）我们吃的西红柿是植物的（）。
①根②茎③果实④种子

【题文】播种种子时浇的水越多越好。（______）【题文】花、果实、种子是植物的营养器官。（______）【题文】植物叶子的形状、大小等各不相同。（______）【题文】黄瓜的雌花后面会有一根未来的小黄瓜。（______）【题文】沙漠植物的形态特点与其生活的环境相适应。（______）【题文】水生植物不一定把根完全扎在土壤里。（______）【题文】动物的发声与振动无关。（________）【题文】声音是沿着直线传播的。（_______）【题文】声音在真空中不能传播。（______）【题文】通过控制噪声源、装隔音或吸音屏障等方法可以降低噪音。（________）【题文】宇航员在太空说话和地球一样方便。（______）【题文】声音可以从一个物体传到另一个物体。（______）【题文】人们利用甘蔗制糖，用橡胶做轮胎。（______）【题文】声音可以传递各种信息。（______）【题文】叶子由__________、__________ 、__________组成。【题文】靠昆虫传粉的花是（______），靠风力传粉的花是（______）。【题文】为了解决自然状态下传粉不足可以_________。【题文】自然界各种声音都是由_______产生的。【题文】声音可以在（___________）、（___________）、（___________）中传播。【题文】下列植物的种子分别是怎样旅行的，请你用线连起来。
椰子          借助风力传播
蒲公英        借动物或人传播
凤仙花        借水力传播
苍耳          借自身的弹力传播【题文】种子萌发需要哪些条件？【题文】请你写出三种以上的水生植物？【题文】我们怎样保护自己的听力？【题文】汉译英。
【小题1】沏茶______________
【小题2】烧水______________
【小题3】自然世界______________
【小题4】长江______________
【小题5】三峡______________
【小题6】流入大海______________
【小题7】上升______________【题文】英汉互译。
【小题1】飞过______________
【小题2】fall down ______________
【小题3】a glass of water ______________
【小题4】a piece of white paper ______________
【小题5】near the window ______________
【小题6】be thirsty ______________
【小题7】get hot ______________【题文】—What _________ Kally _________ (do) every morning?
—She _________ (watch) television.【题文】—What _________ Alice _________ (do) now?
—She is _________ (listen) to the radio.【题文】—_________ Jean _________ (like) jelly?
—Yes, she _________.【题文】—What _________ (can) Alice _________ (do)?
—She can _________ (play) the piano.【题文】Danny, _________ (not do) your homework now. It’s time for supper.【题文】We _________ for you. (   )

B．are waiting

【题文】It's too hot. Would you like _________ some water? ( )

C．are drinking

【题文】— How often do you brush your teeth? ( )
—_________.

【题文】I want to drink _________. ( )

A．two glass of water

B．two glass of waters

C．two glasses of water

【题文】Shall we go and play there? ( )

C．Yes, we are.

【题文】Ben's and Peter's bicycles are the same. (选择与所给内容意思相近的句子) ( )

A．Ben's bicycle is different from Peter's car.

B．Ben's bicycle is the same as Peter's.

C．Ben has a bicycle and Peter has a bicycle, too.

【题文】Look out! The floor is wet. (选择与画线内容意思相近的句子) ( )

B．Be careful!

C．Enjoy yourself!

【题文】The dog is chasing the cat. (选择与所给内容意思相近的句子) ( )

A．The cat is running behind the dog.

B．The dog is running after the cat.

C．The dog is jumping after the cat.

【题文】There's a story-book in Eric's hand. (选择与所给内容意思相近的句子) ( )

A．This is Eric's story-book.

B．Eric has got a story-book in his hand.

C．Eric can read the story-book.

【题文】He is good at playing basketball. (选择与所给内容意思相近的句子) ( )

A．He is poor at playing basketball.

B．He can't play basketball well.

C．He is a good basketball player.

【题文】Then, it meets more water from many other _______ and _______. ( )

A．lakes; rivers

B．lake; river

C．a lake; a river

【题文】Our Huangpu River is _______ the Yangtze River. ( )

【题文】_______ Yangtze River is very, very long. ( )

【题文】—_______ that old lady? ( )
—My English teacher.

【题文】—Mum, can I have _______ juice, please? ( )
—OK. Here you are.

【题文】The girl _______ me is tall. I can't see the words on the blackboard. ( )

B．in front of

【题文】—Who _______ a bicycle? ( )
—Six boys _______ a bicycle.

【题文】_______ bags of corn does a bird need for dinner? ( )

【题文】_______ the morning of March 12th, we usually plant trees. ( )

【题文】Please buy _______ pupils some books. ( )

【题文】The Yangtze River starts high in the mountains in the _______ of China. ( )

【题文】We pour the hot water _______ the teapot. ( )

【题文】First we must _______ the water. ( )

【题文】The students are giving a r_______ about the Yangtze River.【题文】First, it starts h_______ in the mountains in the west of China.【题文】Next, it runs d_______ the mountains and through the beautiful Three Gorges.【题文】Finally, it runs i_______ the sea.【题文】Does the Yangtze River run t_______ Shanghai?【题文】What does Linda need _______ her birthday? (用适当的介词填空)【题文】Alice cleans her teeth _______ half past six _______ the morning. (用适当的介词填空)【题文】Tom is doing his homework _______ the table. (用适当的介词填空)【题文】Please colour the butterfly _______ two colours. (用适当的介词填空)【题文】These beautiful flowers are _______ the teachers. (用适当的介词填空)【题文】There is a timetable _______ Class Two _______ the wall. (用适当的介词填空)【题文】The Tans live _______ the sea. (用适当的介词填空)【题文】It’s fine. Let’s go for a picnic _______ the country park. (用适当的介词填空)【题文】Our teacher is angry _______ Tom. (用适当的介词填空)【题文】Look, the monkey can climb _______ the top of the tree. (用适当的介词填空)【题文】Here's some tea. (否定句)
Here _______ _______ tea.【题文】Ben eats dinner at 6:00 every evening. (改为否定句)
Ben _______ _______ dinner at 6:00 every evening.【题文】Little water drop falls down to the ground. (改为一般疑问句)
_______ little water drop _______ _______ to the ground?【题文】My mother is making some juice. (就画线部分提问)
What _______ _______ mother _______?【题文】Henry likes coffee. (就画线部分提问)
What _______ Henry _______?【题文】The tea tastes great. (就画线部分提问)
How _______ the tea _______?【题文】Tom's father is reading a newspaper in the sitting room. (就画线部分提问)
_______ Tom's father _______ in the sitting room?【题文】It tastes great. (就画线部分提问)
_______ _______ it _______?【题文】按要求写单词。
【小题1】horses (单数) _________
【小题2】one (序数词) _________
【小题3】here (同音词) _________
【小题4】sheep (复数) _________
【小题5】we (形容词性物主代词) _________【题文】按要求写单词。
【小题1】finally (反义词) _________
【小题2】glass (复数) _________
【小题3】tea (同类词) _________
【小题4】next (同类词) _________
【小题5】on (反义词) _________【题文】Read and match with the given words. (用所给的词填空)
first next then finally
【小题1】_______, we put some tea in the teapot.
【小题2】_______, we must boil the water.
【小题3】_______, we drink the tea.
【小题4】_______, we pour the hot water into the teapot.【题文】选出下列每组单词中，划线部分读音不同的一项。

【题文】选出下列每组单词中，划线部分读音不同的一项。

【题文】The cat is in front of the mouse. (换种说法，保持句意不变)
The mouse is _______ the cat 【题文】Read the passage and choose the best answers. (根据短文内容，选择正确的答案)

In some countries, some people don't like the number 13. They don't think 13 is a lucky number. For example, they don't like to live on the thirteenth floor. One day, my friend Jack asked some friends to dinner. When all of his friends arrived, he asked them to sit at the table. He began to count the people. Suddenly he cries out, "Oh, there are thirteen people here!" Everyone's face turned white except Mr Brown. He said slowly with a smile on his face. "Don't worry, my dear friends. We have fourteen people here. My wife Mrs Brown will have a baby in a few weeks." All of them become happy again.

【小题1】Which number don't some people like? ( )

【小题2】Why don't they like this number? ( )

A．It's an unlucky number.

B．It's a lucky number.

C．It's the best number.

【小题3】What did Jack ask his friends to do? ( )

A．Have a party.

B．Have dinner.

C．Go shopping.

【小题4】Who is the fourteenth person? ( )

A．Mr and Mrs Brown's baby.

B．The waiter.

C．Jack's child.

【小题5】At last, Jack and his friends are _______. ( )

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