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17 tháng 9 2021

theo mình là không nhé bạn ưi

17 tháng 9 2021

ko nhé bạn, vừa được cô dạy xong bài Thư gửi các học sinh tuần trước xong.

17 tháng 9 2021

Chủ ngữ là : đám trẻ mục đồng chúng tôi 

vị ngữ là : thả diều 

còn chiều chiều .. thì bỏ nhé bn chúc bn hc tốt

Q.Thư5

17 tháng 9 2021

Ai trong mỗi chúng ta cũng từng trải qua quãng thời gian đẹp đẽ của tuổi học trò. Nơi đó là nơi lưu giữ biết bao hình ảnh đẹp như cánh cổng trường, chùm phượng vĩ đỏ rực cả góc sân trường,…. Nhưng có lẽ cây bàng là nơi gắn bó nhiều kỉ niệm nhất đối với em.

Từ xa nhìn lại cây bàng như một chiếc ô xanh khổng lồ che rợp cả một góc sân trường. Em nghe cô giáo em kể lại rằng cây bàng này đã có từ rất lâu rồi, nó được thầy hiệu trưởng đầu tiên trồng ngay từ những ngày đầu thành lập trường. Rễ cây to ngoằn ngoèo như những con trăn nhấp nhô trên mặt đất, có những chiếc rễ thì cắm sâu xuống lòng đất cần mẫn chắt chiu những chất dinh dưỡng nuôi cây. Thân cây to phải ba, bốn đứa bọn em ôm mới xuể, trên thân cây có những mắt vấu to nhỏ khi sờ vào em thấy ram ráp. Cây bàng đặc biệt hơn các cây khác là vì nó có nhiều tầng che rợp cả một vùng đất lớn. Lá bàng có hình bầu dục to để không cho ánh nắng có thể xuyên qua.

Cây bàng thay đổi theo mùa,vào mùa thu lá bàng chuyển từ màu xanh sang màu vàng. Khi đông đến, lá bắt đầu rơi khiến những những cành cây khẳng khiu trơ trụi, ủ mầm để xuân về. Đó là thời điểm mà cây bàng đâm chồi nảy lộc, tràn đầy sức sống. Hàng ngàn búp nõn xanh non như hàng ngàn ngọn nến trong xanh. Hoa bàng màu trắng ngà xen kẽ những chùm hoa trắng ấy là những quả bàng hình tròn và dẹp hai đầu. Khi quả bàng còn non thì nó sẽ có màu xanh lục còn khi của bàng chín thì nó dần chuyển sang màu vàng,quả bàng khi xanh ăn có vị chát, khi chín rất thơm, có vị ngọt.

Cây bàng giữa sân trường em có rất nhiều tác dụng, nó không chỉ đơn thuần là cây bóng mát che rợp cả một góc sân trường mà nó còn là nơi lưu giữ bao kỉ niệm của lớp lớp học trò đã học ở trường. Sau những tiết học căng thẳng mệt mỏi chúng em lại ra ngồi dưới gốc cây hóng mát kể chuyện cho nhau nghe, cùng nhau ô đùa. Chúng em luôn thay phiên nhau tưới nước cho cây để cây tươi tốt .

Em rất thích cây bàng bởi vì nó gắn bó thân thiết đối với chúng em, những lứa học sinh của trường. Chúng em hứa sẽ chăm sóc cây bàng thật tốt để nó còn gắn bó với bao lớp lớp học trò sau nữa.

xin tiick

17 tháng 9 2021

Con đường đi học của em ngang qua một đầm sen rất rộng. Bởi vậy, em đã được chiêm ngưỡng cảnh đầm sen suốt bốn mùa trong năm. Nhưng đẹp nhất vẫn là đầm sen mùa hạ.

Nhìn từ xa, đầm sen mênh mông trải rộng trước mắt chỉ thấy rập rờn lá sen uồn sóng. Những chiếc lá chao mình đong dưa như làm duyên với gió. Lại gần, ta thấy rõ hơn, đan xen với những lá sen xanh mát là những búp sen, những bông sen hồng tươi như cặp môi của em bé gái. Gió làm đung đưa những lá sen, làm nghiêng nghiêng những nụ sen, làm sóng sánh những bông sen đang nở và làm lả tả những cánh hoa đang tàn. Đứng trên bờ lúc ấy, khẽ nhắm mắt lại, ta sẽ cảm nhận hết được hương thơm thanh mát của đồng quê Việt Nam. Hương sen không gắt như hương nhài cũng không nhạt nhòa, lãnh đạm, nó nồng nàn, say mê mà vẫn vô cùng dịu dàng thanh thoát.

Nếu được ngồi trên một chiếc thuyền thúng bơi giữa đầm sen là tuyệt nhất. Những thân sen mảnh mai có vô vàn chiếc gai nhỏ, đi không khéo chúng xước vào da khiến ta có cảm giác buồn buồn, nhột nhột. Những chiếc lá sen rợp mát tạo thành một mái che tuyệt vời giữa cái trưa hè oi ả. Bơi thuyền giữa những thân sen còn có một niềm vui thú nữa đó là được tận tay chạm vào nguồn gốc của những hương thơm nồng nàn. Lá của sen, những chiếc lá già có màu xanh thẫm còn những chiếc lá non lại mang một màu xanh nõn nà dịu mắt. Lá sen già tỏa rộng hình tròn giống như một chiếc nong con còn lá non lại cuộn mình như chiếc kén sâu. Trên mặt lá phủ một lớp lông măng li ti. Bao nhiêu hạt mưa sa xuống lá sen đều nâng niu giữ lại rồi chờ gió đến mà chao nghiêng trút rất nhẹ nhàng xuống đầm. Hoa sen cũng có hoa "non", hoa "già". Hoa "non", ấy là những búp sen chưa nở, các "bé" còn ngại ngùng nên vẫn chúm chím những cánh hồng mơn man. Sen "già" là những bông hoa đã xòe cánh khoe sắc màu tươi tắn, khoe cả đài sen, nhị sen vàng thắm. Cánh sen rất mịn, không một gợn nhỏ, trơn láng, đây là nơi lưu lại những hạt sương đêm mong manh. Chúng khum khum như chiếc thuyền con nên khi sen tàn, cánh rơi xuống vẫn nổi lênh đênh trên nước. Phấn hoa vàng tươi, những hạt bụi vàng thanh khiết. Thật đúng như bài ca dao:

“Lá xanh bông trắng lại chen nhị vàng

Nhị vàng bông trắng lá xanh”

Chỉ có khác, sen ở đầm làng em là sen hồng thôi! Nhưng sắc hồng của cánh, sắc vàng của nhị càng làm bồn hoa nổi bật giữa bát ngát màu xanh của lá.

Mỗi sáng sớm, giữa dòng nước đầm lại khe khẽ vang lên tiếng chèo khua mái của những người chủ đầm sen, họ đến hái hoa sen để bán hoặc để ướp trà. Lúc ấy, đầm sen vẫn còn đang mơ màng trong lãng đãng sương mai. Càng gần về trưa đầm sen càng nhộn nhịp. Lúc ấy là tan giờ làm đồng, ai cũng muôn lại gần đầm sen nghỉ ngơi một chút, hít vào lồng ngực hương sen mát lành. Những chú bé con thì thích thú ngát những chiếc lá sen xoay tròn trên đầu làm ô che nắng…

 Đầm sen là một hình ảnh đẹp của quê hương nào. Dẫu ngày nào đi học em cũng qua nơi này nhưng chưa bao giờ em hết trân trọng vẻ đẹp của nó.

@Cỏ

#Forever

17 tháng 9 2021

Cuối tuần nào, em cũng dậy sớm cùng bố để ra công viên tập thể dục từ lúc trời còn nhá nhem tối. Đến lúc chạy bộ xong, hai bố con cùng ngồi ở ghế đá và nhìn về phía rạng đông.

Khi ánh sáng đã trở lại trên bầu trời nhưng vẫn chưa thật rõ nét, màn sương giăng giăng khắp nơi, trên từng vòm cây, ngọn cỏ và cả không khí đang hít thở. Công viên chìm trong sự im lặng tĩnh mịch, đâu đó vang lên tiếng hót khe khẽ của một chú chim vô danh... Tiếng hót như một giọt nước mắt thấm vào tâm hồn em và làm cho buổi sáng trở nên trong trẻo hơn. Cũng có nhiều người ra đây để vận động như em và bố. Có người đạp xe, chạy bộ, các ông bà tập dưỡng sinh. Những bước chạy đều đều, những nhịp đếm nhịp nhàng. Mặt hồ không một gợn sóng, sự mát lành của hơi nước theo gió phả vào mặt em làm em càng tỉnh táo hơn. Sau khoảng ba mươi phút chạy quanh hồ, em nghỉ ngơi ở một chiếc ghế đá đã cũ. Những cái cây cứ đứng bất động như vẫn đang say sưa trong một giấc mộng nào đó. Rồi từ đằng đông, những tia nắng đầu tiên như mũi tên sắc nhọn xuyên qua lớp sương, làm chúng vụn vỡ trong chốc lát. Xung quanh chỗ mặt trời mọc tỏa ra thứ ánh sáng hồng hồng vàng vàng đầy kì diệu. Các tia nắng tấn công mạnh mẽ hơn xuống trần gian và rồi mặt trời cũng xuất hiện đầy uy nghi. Công viên như bừng tỉnh sau một giấc ngủ dài, trút bỏ tấm chăn có phần xám xịt, khoác lên mình chiếc áo tươi mới rực rỡ màu nắng. Những mảnh vỡ của lớp sương- tồn tại dưới dạng hình giọt đọng lại đầy trên những thảm cỏ xanh rờn. Điều này làm thảm cỏ có sức sống và lấp lánh hơn khi ánh mặt trời chiếu xuống. Từng bóng người cũng hiện ra rõ nét hơn, tiếng nói cười cũng văng vẳng hơn. Gió bắt đầu dạo chơi quanh một vòng quanh công viên từ xào xạc lá tới lăn tăn mặt hồ, và vấn vương trên mái tóc của người đang chạy. Đèn ở công viên đã tắt hẳn, một vài người gặp và chào nhau, trao nhau những câu chúc tốt lành của ngày mới. Đã có thêm nhiều chú chim vô danh điểm những nốt nhạc vào bản đàn của thiên nhiên...

17 tháng 9 2021

Đất nước Việt Nam đất nước ta có rất nhiều cảnh đẹp, từ những cánh rừng nguyên sinh bạt ngàn cho đến những cánh đồng lúa vàng óng trải dài tít tắp… Một trong số những cảnh đẹp đó không thể không nhắc đến vùng núi Sa Pa tuyệt đẹp.

Và cảnh đẹp Sa Pa là một thị trấn nằm thuộc huyện Sa Pa, tỉnh Lào Cai. Ngắm nhìn Sa Pa em cảm nhận thấy được ở đây có rất nhiều những dãy núi cao thấp ẩn hiện trập trùng trong sương cùng với đó là những rừng đào bạt ngàn trải dài đến tận đường chân trời. Khi đặt chân đến đây thì du khách có thể tới thăm những làng dân tộc trong vùng và giao lưu với người dân bản địa. Ngắm nhìn quang cảnh ở Sa Pa thoạt nhìn rất giống phong cảnh của các nước Tây Âu và đây thực sự là một địa điểm du lịch hút khách. Không chỉ thể khí hậu nơi đây còn rất trong lành và mát.

17 tháng 9 2021

50004 cm2 nhé mà sao lại là ngữ văn kia, phải là toán chứ

17 tháng 9 2021

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17 tháng 9 2021
Trẻ nhỏ, thiếu nhi, trẻ con

trẻ con, em bé, nhi đồng

17 tháng 9 2021

là chữ và

17 tháng 9 2021

Trái Đất hay Địa Cầu (tiếng Anh: Earth), là hành tinh thứ ba tính từ Mặt Trời, đồng thời cũng là hành tinh lớn nhất trong các hành tinh đất đá của hệ Mặt Trời xét về bán kính, khối lượng và mật độ vật chất. Trái Đất còn được biết tên với các tên gọi "hành tinh xanh"[note 2], là nhà của hàng triệu loài sinh vật,[13] trong đó có con người và cho đến nay nó là nơi duy nhất trong vũ trụ được biết đến là có sự sống. Hành tinh này được hình thành cách đây 4,55 tỷ năm[14][15][16][17] và sự sống xuất hiện trên bề mặt của nó khoảng 1 tỷ năm trước. Kể từ đó, sinh quyển, khí quyển của Trái Đất và các điều kiện vô cơ khác đã thay đổi đáng kể, tạo điều kiện thuận lợi cho sự phổ biến của các vi sinh vật ưa khí cũng như sự hình thành của tầng ôzôn-lớp bảo vệ quan trọng, cùng với từ trường của Trái Đất, đã ngăn chặn các bức xạ có hại và chở che cho sự sống.[18] Các đặc điểm vật lý của Trái Đất cũng như lịch sử địa lý hay quỹ đạo, cho phép sự sống tồn tại trong thời gian qua. Người ta ước tính rằng Trái Đất chỉ còn có thể hỗ trợ sự sống thêm 1,5 tỷ năm nữa, trước khi kích thước của Mặt Trời tăng lên (trở thành sao khổng lồ đỏ) và tiêu diệt hết sự sống.[19]

Bề mặt Trái Đất được chia thành các mảng kiến tạo, chúng di chuyển từ từ trên bề mặt Trái Đất trong hàng triệu năm. Khoảng 71% bề mặt Trái Đất được bao phủ bởi các đại dương nước mặn, phần còn lại là các lục địa và các đảo. Nước là thành phần rất cần thiết cho sự sống và cho đến nay con người vẫn chưa phát hiện thấy sự tồn tại của nó trên bề mặt của bất kì hành tinh nào khác ngoại trừ sao Hỏa là có nước bị đóng băng ở hai cực.[note 3][note 4] Tuy nhiên, người ta có chứng cứ xác định nguồn nước có ở Sao Hỏa trong quá khứ, và có thể tồn tại cho tới ngày nay.[20] Lõi của Trái Đất vẫn hoạt động được bao bọc bởi lớp manti rắn dày, lớp lõi ngoài lỏng tạo ra từ trường và lõi sắt trong rắn.[23]

Trái Đất tương tác với các vật thể khác trong không gian bao gồm Mặt Trời và Mặt Trăng. Hiện quãng thời gian Trái Đất di chuyển hết một vòng quanh Mặt Trời bằng 365,2564 lần quãng thời gian nó tự quay một vòng quanh trục của mình. Khoảng thời gian này bằng với một năm thiên văn tức 365,2564 ngày trong dương lịch.[note 5] Trục tự quay của Trái Đất nghiêng một góc bằng 23,44° so với trục vuông góc với mặt phẳng quỹ đạo,[24] tạo ra sự thay đổi mùa trên bề mặt của Trái Đất trong một năm chí tuyến. Mặt Trăng, vệ tinh tự nhiên duy nhất của Trái Đất, đồng thời cũng là nguyên nhân chính gây ra hiện tượng thủy triều đại dương, bắt đầu quay quanh Trái Đất từ 4,53 tỷ năm trước, vẫn giữ nguyên góc quay ban đầu theo thời gian nhưng đang chuyển động chậm dần lại. Trong khoảng từ 4,1 đến 3,8 tỷ năm trước, sự va đập của các thiên thạch trong suốt thời kì "Công phá Mạnh muộn" đã tạo ra những sự thay đổi đáng kể trên bề mặt Mặt Trăng.

Cả tài nguyên khoáng sản lẫn các sản phẩm của sinh quyển Trái Đất được sử dụng để cung cấp cho cuộc sống của con người. Dân cư được chia thành hơn hàng trăm quốc gia độc lập, có quan hệ với nhau thông qua các hoạt động ngoại giao, du lịch, thương mại, quân sự. Văn hóa loài người đã phát triển tạo nên nhiều cách nhìn về Trái Đất bao gồm việc nhân cách hóa Trái Đất như một vị thần, niềm tin vào một Trái Đất phẳng hoặc Trái Đất là trung tâm của cả vũ trụ, và một quan điểm nhìn hiện đại hơn như Trái Đất là một môi trường thống nhất cần có sự định hướng.