看起来好像正在下雨一样。as if引导的表语从句中的谓语部分通常用虚拟语气,如果谓语部分的的动作是真实的或者有可能发生时,用陈述句语序。该句子的主语告诉我们“空气中充满了灰尘”,所以只是看上去像是在下雨,虚拟语气部分所表达的是正在进行的动作,用be动词+V-ing,be动词用were。故选择答案D。
Globally, what is a significant measure for air protection? A. Cutting down more rainforests B. Increasing the use of fossil fuels C. Developing clean energy like solar power D. Ignoring the control of industrial waste gas 相关知识点: ...
There are a lot of other gases in the air. Water vapor(水蒸气) and hydrogen(氢) are two examples, but there are only very, very small amounts of them. (1). What is the meaning of the underlined word "represent" in the third paragraph? A. 代表 B. 分解 C. 提取 D. 组成 (...
Air pressure, temperature, and density are the most influential weather variables. Explore what adiabatic processes are and how clouds, air masses, fronts, and storms form. Related to this Question What is air pressure measured in? What is the instrument for measuring air pressure?
The air quality in the city,___ is shown in the report,has improved over the past two months.( ) A. that B. it C. as D. what 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 答案C.通过分析句子成分可知,这里是as引导的定语从句,as正如,在这里作主语,that不能引导非...
[解析]本句难点是把定语从句分割出来放在句首就很明了了,把句子转换成___ is shown in the report, the air quality in the city has improved over the past two months.就能直接看到非限制性定语从句引导词放句首指的是下文所提到的一句话用as引导“正如在所写的那样”。 [难度]一般 提示: 本题考查定...
What is air? It has no colour, taste, smell or shape. We can't see it or smell it,but we can feel it. Air is everywhere. When the air moves, it becomes wind. The air moves quickly, and the wind blows strongly. The air moves slowly, and the wind blows gently. Air is important...
1.The air quality in the city. is shown in the report.has improved over the past two months.( )A.thatB.itC.asD.what
The health impacts included in the index are those that people are likely to experience within "a few hours or days" after being exposed to the air, the National Weather Service Says. How is air quality measured? TheNational Weather Servicesays that the Environmental Protection Agency calculates...
The density of air at ordinary atmospheric pressure and 25°C is 1.19g/L.What is the mass, in kilograms, of the air in a room that measures 10.0*14.0*10 ft? Express your answer using two significant figures. 相关知识点: 试题来源: 解析 在常温常压下,气体的密度为1.19g/L.,现在房间的...