题目内容
“Where is it?” “Where is _____? I don't know what do you mean?”
A. what B. that? C. where D. so
A
解析:
此题应选A。许多同学认为“疑问词”只能出现在句首位置，对于选A认为不可理解。其实在某些特殊语境中，疑问词出现在句中甚至句末却是完全可能的,但这多半是因为有特殊的语境或使用的句式比较特殊。上面一题选what的原因是：上句问Where is it?(它在什么地),但听话人对此句中代词it指代什么东西并不清楚,所以他反问：Where is what?(什么在什么地方?)其实，这类用法在口语中经常使用
【标签】疑问句的特殊形式
gone D. deadIt’s true that quite a few most respected scientific authorities have confirmed that the world is becoming hotter and hotter. There’s also strong evidence that humans are contributing to the warming. Countless recent reports have proved the same thing. For instance, a 2010 summary about the climate science by the Royal Society noted that: “The global warming over the last half-century has been caused mainly by human activity.”
You may not believe that humans could change the planet’s climate, but the basic science is well understood. Each year, billions of tons of greenhouse gases are released into the atmosphere because of human activity. As has been known for years, these gases hold heat that would otherwise escape to space, wrapping the planet in an invisible (看不见的) blanket.
Of course, the earth’s climate has always been changing due to “natural” factors such as volcanic eruption or changes in solar, or cycles concerning the Earth’s going around the sun. According to the scientific research, however, the warming observed by now matches the pattern of warming we would expect from a build-up of greenhouse gas in the atmosphere – not the warming we would expect from other possible causes.
Even if scientists did discover another reasonable explanation for the warming recorded so far, that would give birth to a difficult question. As Robert Henson puts it: “If some newly discovered factor is to blame for the climate change, then why aren’t carbon dioxide and the other greenhouse gases producing the warming that basic physics tells us they should be?”
The only way to prove with 100% certainty that humans are responsible for global warming would be to run an experiment with two identical Earths – one with human influence and one without. That obviously isn’t possible, and so most scientists are careful not to state human influence as an absolute certainty.
【小题1】In most scientists’ opinion, the global warming is mainly caused by ________.
| A．solar activity | B．volcanic activity |
| C．natural factors | D．human factors |
| A．giving typical examples |
| B．following the order of space |
| C．analyzing a theory and arguing it |
| D．comparing and finding differences |
| A．totally different | B．exactly the same |
| C．extremely important | D．partly independent |
| A．volcanic eruption |
| B．cycles concerning the Earth’s going around the sun |
| C．changes in solar |
| D．floods and droughts |
| A．Are All the Scientists Really Scientific? |
| B．Where Is Global Warming Leading Us to? |
| C．Are Humans Definitely Causing Global Warming? |
| D．What’s the Relation of Global Warming and Greenhouse Gases? |