根据第1段第2句the dominant hypothesis suggests that tough social interactions are the driving force可知大部分人认为,大脑进化的最主要原因是社会的挑战。故答案为A。 考查全文理解和句意分析。But our new study done in an unusual way shows that human brain expansion was likely driven by ecology。故...
Remove distraction. Turn off the television, laptop and any other electronics that could distract from communication. If a call or text comes through on your cellphone when you are talking or listening to someone, turn it off without looking at it.___37___ It can easily ruin your efforts...
How do members of the class Agnatha excrete waste? How do sand flies spread leishmaniasis? How do tapeworms reproduce? How does an amoeba digest food? How do members of the phylum Cnidaria and flatworms exchange gases and remove wastes?
The orbiter must also take away the wastes that your body produces (carbon dioxide, urine, feces) and protect you from fire. Let's look at these various aspects of the orbiter's life support system. On board the space shuttle, you need to have the following: atmosphere similar to Earth ...
The orbiter must also take away the wastes that your body produces (carbon dioxide, urine, feces) and protect you from fire. Let's look at these various aspects of the orbiter's life support system. On board the space shuttle, you need to have the following: atmosphere similar to Earth ...
There are still many problems of environmental protection in recent years. One of the most serious problems is the serious pollution of air, water and soil. the polluted air does great harm to people’s health. The polluted water causes diseases and death. What is more, vegetation had been ...
What Does it Mean to Infuse Water? This is when a combination of fruits, herbs, vegetables, or spices is immersed in water for drinking. In this way, vitamins, as well as minerals are released into it from the fruits, vegetables and herbs. This means that you are not just drinking wate...
How does the dual flush toilet fit into this picture? No one knows for sure. Most major toilet manufacturers are gearing up to provide these water saving toilets, but whether or not the American public will embrace a change in the way they approach their bathroom habits remains to be seen....
Materials and wastes that are very likely to cause pollution should be transported to the non-clean area from their special transfer Windows. 7. After the material entering and leaving, the site and transfer window of each compartment or intermediate station should be cleaned in a timely manner,...
The Seven Deadly Wastes and How to Remove Them from Your Business: The Heart of the Toyota Production SystemLean ManufacturingLean ManagementToyota Production SystemOperationsProductionInventoryMeudaThis book discusses the seven deadly wastes (muda) in the value stream process. It presents the cost of...