Noise also ________ our environment.

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• you should learn to enjoy __ the challengeslooking after her sick mother has also ___ her study.Tom can work out the math problem ___ without any help.it is ___ of you to care more for the best students in our class.this is an ___ thing.forget it and try to be happy.
• 英语翻译Do you know that humans have been cleaning their teeth for over 7,000 years?According to the BBC,the Ancient Egyptians used a type of toothpaste (牙膏).___21____ it is believed that the Egyptians used a finger ____22____ a toothbrush to clean their teeth .Chinese people may have ____23____ the first toothbrush around 1,600 BC.Your toothbrush,however,may have also become____24___ .Because it is now possible to clean our teeth ___25___ using our hands
• 八年级上册牛津英语题同义句1 My classmates lent me a dictionary two weeks ago. I___a dictionary ___ my classmates two weeka ago.2 People use knives for cutting things. People___things___knives.3 Not only Jack but also Mike has been to that island. ____Jack and Mike ____ been to that island.4 She takes care of young animals in the zoo. She____ ____the young animals in the zoo.5 Mrs Green began to teach French in our university in 1999. Mrs Green____ ____French
• Please help me!One day when Tom went home,he found a note from his twin borther Sam on a table.It said,"Dear Tom,I will have a singing competition tomorrow.I'll stay at a hotel with our music teacher tonight.When I'm away,can you help me?And if you do that,I will give you a big surprise.Would you mind feeding my little dog?And could you please water my flowers?Also please send a thank-you email to my pen pal called Julie because of her beautiful pictu
• 英语翻译1.\x05People who study history are surprised to find out that Shah Jahan was also a crudl man.2.\x05Today,the Leaning Tower has eight floors and is 54.5 meters tall.3.\x05On its north side stands the Tower of London itself.4.\x05People must work together to solve the problem.5.\x05Ask your parents to help you plant some trees in this spring.6.\x05Everybody can do something to help protect our environment.7.\x05Lions have been called the kings of t
• 英语翻译During our visit we shall see objects of many different kinds produced by people of many cultures.We hope that their careful observation will provide a glimpse,not only of the environment that gave rise to them,but also of the influences that marked them,and that through all these items on display we may contribute to the formation of a most ample perspective of one of the most fascinating aspects of the history of mankind:the maritime adventure.
• I want to ______(分发）some leaflets_______ask people to protect our environment.
• Mr.Wang is ( )our teacher.but also our friend.
• Every effort should be ____ to develpo our economy and preserve our environment.
• Our school focuses on not only the students’ scores but also their general qualities.
• my has some pens.改为否定句.
• 水平面上放一个质量为m的物体,物体上端于劲度系数为k的轻质弹簧相连,在弹簧的上端加竖直向上的力F,使弹簧上端从弹簧自然状态由静止开始做加速度为a的云加速直线运动,问力F至少作用多长时间能将物体拉起