Whichever they may differ widely in function, all cells have a surrounding membrane and an
查看答案
Scientists finding out that the universe is even larger and more complex than anyone has ever imagined.
Best known for his research in statistical mechanics and meson physics, Chen Ning Yang shared the Nobel Prize in 1957 to another physicist from the United States, Tsung-dao Lee.
David Cameron has noticed that health and safety regulations stop schools taking children out on field trips, outdoor activities or just collect autumn leaves down the local park. And the【M1】______ Department for Children, Schools and Families is to issue guidelines about extra-curricular activities, with aiming to get【M2】______ pupils out of classrooms and back into the real world. I suppose school-organized, adult-supervised activities are better than nothing. And theyre really not good enough. Indeed,【M3】______ excess health and safety measures at school are just the tip of the【M4】______ risk aversion iceberg leaving increasing numbers of young people without the emotional resilience, social competence and personal confidence to thrive in our society. The Institute for Public Research, couple of years ago, found British youngsters at or near【M5】______ the top of the European charts for almost every type of teenage misconduct. Nothing is mightily wrong with childhood in Britain,【M6】______ and after thirty years working with children and teachers(the last eight years which were spent researching toxic childhood), I【M7】______ reckon my risk aversion—not just in schools but in every area of【M8】______ life—is a major part of the problem. A combination of parental anxiety, community intolerance and all-pervasive risk aversion now threaten the mental and【M9】______ physical health of the next generation. This is becoming a matter【M10】______ of urgency that we reclaim public space for our children and relearn skills that came naturally to our ancestors.
【M1】
If our brains were computers, wed simply add a chip to upgrade our memory. The human brain, therefore, is more【M1】______ complex than even the most advanced machine, so improving our memory isn t quite so easy. Just as it takes effort to build physical fitness, so is boosting brain power.【M2】______ A strong memory depends on the health and vital of your【M3】______ brain. Whether youre a student studying for final exams, a working professional interested in doing all he can to stay【M4】______ mentally sharp, and a senior looking to preserve and enhance【M5】______ your intelligence as you age, there are lots of things from【M6】______ which you can do to improve your memory and mental performance. They say that you cant teach an old dog new tricks, but when it comes to the brain, scientists have discovered that this old proverb simply isnt true. The human brain has astonishing ability to adapt and change—even into【M7】______ older age. This ability is known as neuroplasticity. With the【M8】______ right stimulation, your brain can form. new neural pathways, alter existing connections, and adapt and react in ever-changing ways. The brains incredible ability to reshape itself hold true【M9】______ when it comes to learning and memorizing. You can harness【M10】______ the natural power of neuroplasticity to increase your cognitive abilities, enhance your ability to learn new information, and improve your memory.
【M1】