So we must keep the air ___. Don't drive to school or work if you can take a bus or the ___. Of course, walking and ___ a bike is the best. A lot of ___ comes out from the factories every day. The air around the factories isn't ___. The workers should plant more _...
结果1 题目 What's the article mainly about A.Air is a kind of gas.B.Air is invisible.C.Air is everywhere.D.Air takes up space. 相关知识点: 试题来源: 解析 D 解析:整篇文章都在讲空气虽然无色无味,但它确实存在,而且占据着一定的空间。 反馈 收藏 ...
IfyouareplanningaEuropeantripthat?saffordableandalittlebitoffthebeatenpath,Romaniais perfect for you.Unlike other popular places,manycharmingtowns hereremain unknowntomostforeigners.Youcanalsotakefree walkingtoursinthenumeroushistoricalsites. Hostelsrun $10—$15pernight,foodishearty anddelicious,andthepublict...
chemistry changes the ingredients in the oven. Soap cleans your hands because of chemistry. Even brushing your teeth is a chemical reaction. Chemistry helps with cooking, cleaning, and keeping our bodies healthy!
the teacher who accept it 72 late will probably not give you good credit. Perhaps he may not accept it 73 . Getting behind in one class because you are spending so much time on another is really no 74 . Feeling pretty virtuous about the seven hours you spend on chemistry won’t 75 on...
一、由感叹词what引导的感叹句。1.① What+a/an+（形容词）+单数可数名词+主语+谓语！② What+名词词组+主语+谓语！如: What a fine day it is!2. What+(形容词）+可数名词复数或不可数名词+主语+谓语!如: What kind women they are!What nice music it is!二、由How引导的感叹句。（...
分析句子可知,What the plants pump through the air(植物在空气中所释放出的东西)是主语从句,a mixture of chemicals(一种化学混合物)是表语,known as volatile organic compounds(称为挥发性有机化合物),VOCs for short(简称VOCs)是volatile organic compounds的同位语。故翻译为:植物在空气中所释放出的是一种被...
Understanding the Assumed Interest Rate (AIR) The assumed interest rate (AIR) is the minimum interest rate that must be earned on investments in the policyholder's cash-value account in order to cover the insurance company's costs and expected profit margin. A larger AIR will result in a ...
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根据第二段Harbour Air is the largest seaplane airline in North America, flying30000 commercial flights in 40 seaplanes each year. Significantly, all Harbour Air routes last less uan30 minutes, making it perfectly fit for electric engines.可知,Harbour Air是北美最大的水上飞机航空公司,每年有40架水...