What ___ the air dirty? ( ) A. make B. makes C. is making D. NO 相关知识点: 试题来源: 解析 [答案]B [解析]句意:什么使空气变脏?该句时态为一般现在时,疑问词what(什么)做主语时,谓语动词应用第三人称单数形式,make的第三人称单数是makes,故选B。
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Air pollution occurs when gases, dust particles, fumes (smoke), or odors are introduced into the atmosphere in a way that makes it harmful to humans, animals, and plants. Air pollution results in the air being dirty (contaminated, unclean, and often toxic). The Earth is surrounded by a b...
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have recently gained recognition as pollutants by some scientists. Others recognize the gas as being essential to life and therefore incapable of being classed as a pollutant.参考:Air pollution is a chemical physical (e.g. particulate matter)or biological agent that modifies the natural ...
An AQI value of 50 or below is classified as "good air quality," according to health experts. Once the AQI index reaches 100 or above is when the air quality is considered unhealthy and may impact certain groups of people.The Air Quality Index displayed on AirNow.gov shows the ...
Clothing, household textiles, or footwear can be placed or hung in the drying cupboard, and its door is shut. Hot air is then circulated throughout the drying cabinet, drying the articles within. When the drying cycle is completed, the user can simply remove the clothing from the machine.Ad...
What is Air Covered Yarn Acy 2030 Nylon Covered Spandex share: Contact Now Chat with Supplier Get Latest Price About this Item Details Company Profile Price Min. OrderReference FOB Price 200 kgUS$3.10-4.20 / kg Sepcifications UsageKnitting, Weaving, Hand Knitting ...
百度试题 结果1 题目()5.to make Chinese clay?After shaping by hand, it is allowed to air-dry.A. WhatB. HowC. WhereD. When 相关知识点: 试题来源: 解析 5.B考查疑问副词辨析。本题介绍了Chinese clay的制作方法,how意为如何。故选B。
An air fryer, however, is one kitchen gadget we think you’ll want to make room for. Air fryers resemble traditional oven ranges in their ability to bake and roast food, but with a distinct twist: their heating elements sit atop the appliance, complemented by a large, powerful fan. This...