The air pollution in China mainly by high levels of PM2.5. 相关知识点: 试题来源: 解析 is;caused 本题主要考查一般现在时被动语态。 根据句意,中国的空气污染主要是由高浓度的PM2.5引起的。 "空气污染" 和 "引起" 之间是被动关系,the air pollution 作主语时,谓语应用被动语态 be caused。be 动词应与...
解答 答案:is,caused.原句是一般现在时的主动语态,下文的主语是the air pollution是动词cause引起的承受者,构成被动关系,故用一般现在时的被动语态am/is/are+过去分词,主语是不可数名词,故用is,cause的过去式是caused,故答案是is,caused. 点评 一般现在时的被动语态am/is/are+过去分词的呈现,各种类型的被动语态...
百度试题 结果1 题目Air pollution causes ___ problems and even cancer. A. breath B. breathy C. breathing D. breathed相关知识点: 试题来源: 解析 C 反馈 收藏
The air pollution in this city is getting worse. One of the main causes is ___. A. too many cars B. not enough trees C. lack of clean energy D. too much construction 相关知识点: 试题来源: 解析 A。本题考查城市空气污染的主要原因。A 选项“太多的汽车”会排放尾气,是造成空气污染的主要...
AirpollutioninChina中国空气污染英文.doc,word格式精心整理版 范文范例 学习指导 The Air Pollution in China Abstract China is now faced with serious air pollution, such as PM2.5, NOx and SO2. It’s time to take effective and strict measures on pollution cont
Air pollution has becomea serious problem in recent years. There are a lot of causes. First of all, is the chemical noxious gases emission. We all know that there are a lot of factories around the world, they are actually emitting such gases everyday. The second one is the sharp decreas...
In particular, coal being China's major energy source gives rise to large environmental damages due to high emissions from currently used technologies. Air pollution causes impacts such as reduction in life expectancy, chronic bronchitis, or adverse effects on the environment in terms of loss of ...
14. Air pollution, together with littering, causes _(cause) many problems in our large industrial cities today. 相关知识点: 试题来源: 解析 答案见上14. causes/has caused/is causing查 致。 句意:如今,空气污染与乱丢垃圾在我们的大型工业化城市引 起了许多问题。 together with 连接两个并列成分作...
1 Air pollution causes ___ problems and even cancer.A. breathB. breathyC. breathingD. breathed 2Air pollution causes ___ problems and even cancer.[ ]A.breathB.breathyC.breathingD.breathed 3 Air pollution causes ___ problems and even cancer. A. breath B. breathy C. breathing D....
Cars are one of the leading c ___of air pollution in the world today. 答案 答案是causes.本题考查语境中选用恰当的词的适当形式.cause n.理由,原因;the cause of …的原因,"one of+pln"表示"其中之一",故答案是causes.相关推荐 1 Cars are one of the leading c___of air pollution in the wor...