解析 【答案】aren't【核心短语/词汇】scientist 科学家【翻译】科学家认为,这些陆地并不总是在它们今天所处的位置。【解析】根据think可知,本句是一般现在时态。根据括号中notbe可知,要用否定形式。thecontinents(这些陆地)是复数,故答案为aren't。 反馈 收藏 ...
Scientists think that the continents ___ always where they ___ today.( ) A. aren't;are B. aren't;were C. weren't;are D. weren't;were 相关知识点: 试题来源: 解析 C 由关键词today和where看出前后对比,时态也要用现在和过去对比,故前一空用一般过去时,后一空用一般现在时。 故选:C。科...
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The Earth's continents and islands are bordered by shallow ocean plains that are arguably the most environmentally, economically, and politically important parts of the sea. Yet in spite of this, they remain poorly defined and understood. A quantitative approach is employed here to map and ...
Where are the Slavic countries? Europe: Europe, the second smallest among the seven continents of the world, is shared by 50 countries. It has an estimated population of 741 million. Some of the must see places in Europe are the capitals and major cities of France, Italy, Russia, and Ger...
A. aren’t;are B. aren't;were C. weren’t;are D. weren’t;were 相关知识点: 试题来源: 解析 C [本题考查一般过去时和一般现在时的区别。第一空是指过去的状态用一般过去时;第二空是指现在的状态用一般现在时.句意为:科学家们认为大陆过去并不一直是在现在所处的位置。] 反馈...
- **D. weren’t; were**:后半用过去时“were”与“today”冲突(“today”需现在时“are”)。2. **正确答案逻辑**: - 大陆“过去不总是”(weren’t always)位于“今天所在的位置”(are today),完整表达科学家对大陆漂移的认知,因此选C。反馈...
Dryer regions of the temperate zone exist in the interior areas of continents, far from moist coastal air. The biomes do not get enough rainfall to support forests. Grasses thrive in areas with adequate precipitation, such as the prairies of North America, the steppes of Asia, veldt of South...
Where is the largest continent?Question:Where is the largest continent?Continents:There are seven recognized continents. In alphabetical order, they are Africa, Antarctica, Asia, Australia, Europe, North America, and South America. They are further divided into countries, states, provinces, and terri...
But I agree, the monsters (and wonders) are always just on the edge of the map, just beyond the horizon. We could even argue that we started with the aliens living in the forests, then on far away islands, then continents. Once those were all explored, the moon and Mars start to b...