题目内容
（请给出正确答案）
A.They might have to change their plan.
B.He has got everything set for their trip.
C.He has a heavier workload than the woman.
D.They could stay in the mountains until June 8.
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更多“A.They might have to change their plan.B.He has got everything set for their trip”相关的问题
The following research topics can help you to explore the nature elements beyond the text. Choose one from them, search the literature based on prior introduction in Text A and then write a literature review on the selected topic. Generating electricity from the sun and the wind is gaining popularity. In many parts of the world, governments encourage their citizens, businesses and schools to put solar panels on their roofs, and wind farms are sprouting up in many places. However, some of these technologies are unfortunately a health hazard to people and may have long-term effects on people. An artificial photosynthesis system which mimics what happens in plants could potentially create an endless, relatively inexpensive supply of all the clean “gas” and electricity we need to power our lives — and in a storable form, too. Many ecosystems have evolved with fire as a necessary contributor to habitat vitality and renewal. Many plant species in naturally fire-affected environments require fire to germinate, to establish, or to reproduce. Wildfire suppression eliminates not only these species, but also the animals that depend upon them.
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