题目内容

Is Fresh Air Really Good for You?We all grew up hearing people tell us to “go out and get some fresh air.”__1____According to recent studies,the answer is a big YES,if the air quality in your camping area is good._____2__ If the air you're breathing is clean-which it would be if you're away from the smog of cities-then the air is filled with life-giving,energizing oxygen. If you exercise out of doors,your body will learn to breathe more deeply,allowing even more oxygen to get to your muscles(肌肉)and your brain.Recently,people have begun studying the connection between the natural world and healing(治愈).___3___In these places patients can go to be near nature during their recovery. It turns out that just looking at green,growing things can reduce stress,lower blood pressure,and put people into a better mood(情绪).Greenery is good for us. Hospital patients Who see tree branches out their window are likely to recover at a faster rate than patients who see buildings or sky instead.___4____.It gives us a great feeling of peace.___5____.While the sun's rays can age and harm our skin, they also give is beneficial Vitamin D. To make sure you get enough Vitamin D—but still protect your skin— put on sunscreen right as you head outside. It takes sunscreen about fifteen minutes to start working, and that's plenty of time for your skin to absorb a day's worth of Vitamin D.A. Fresh air cleans our lungs.B. So what are you waiting for.C. Being in nature refreshes us.D. Another side benefit of getting fresh air is sunlight.E. But is fresh air really as good for you as your mother always said?F. Just as importantly, we tend to associate air with health care.G. All across the country, recovery centers have begun building Healing Gardens.作答时,请用大写字母。第六题,第七题答案默认为G.

查看答案
更多问题

I.Cloze 选词填空(15分)Directions:In this section,there is a passage with ten blanks.You are required to select one word for each blank from a list of choices given in he box. Read the passage through carefully before making your choices. Each choice in the box is identified by a letter: You may not use any of the words in the box more than once.Smell,more than any other sense,is deeply rooted in memory.It is1 by scientists thatsmells can recall feelings of distant memories.The scientists say the area of the brain assigns memories to smells and stores them2 decades.The areacan3 recall the memories with great clearness years later if a person4 thesmell again.Christina Strauch,from the Ruhr University in Germany,says smells are stored in the olfactory brain.The word“olfactory”means anything5 tothe sense of smell.Many smells can transport us back to ourchildhood.Smells from cookies baking in the6 or the smell of a home-made dish Earl bring back7 memories ofgrowing up.Some smells can take you away to another point in time.Some smells can make you wish you were back in the past,or make you want toescape,8 depends on whether the smell has a positive or negative association.Some doctors partly depend on this for their patients.Smells can even encourage you to 9 things in stores.Many stores introduce certain smells to awake particular memories,which can make people buy things they10 years ago.A.kitchenB.forC.amazingD. buyE.relatedF.encounters G.loved H. believed I. instantly J. which不用看选项,直接根据题目中的选项,把答案按照顺序写在答案处就行了

肾动脉发自

A. 肠系膜下动脉
B. 结肠动脉
C. 肠系膜上动脉
D. 腹主动脉
E. 都不是

属于髂外动脉的分支是

A. 旋股外侧动脉
B. 旋髂浅动脉
C. 闭孔动脉
D. 腹壁下动脉
E. 旋股内侧动脉

有关肠系膜上动脉的说法正确的是

A. 平第十二胸椎发自主动脉腹部
B. 营养全部小肠
C. 行于肠系膜内
D. 分布于全部结肠
E. 经十二指肠水平部的后方下行

答案查题题库