江苏省南通市海安县20xx-20xx学年八年级3月形成性练习月考英语试卷内容摘要:
here you’re going. That was the first thing my father told me to do when he started teaching me to drive. By doing this, you can see if the road is clear. Secondly , keep as much space as you can between your car and other cars. This is your zone of safety. If you are traveling at a speed of 10 miles per hour, it is wise to leave at least one car length between your car and the car ahead of you. In heavy traffic, it is difficult to leave that much space between cars. But you should try to keep enough distance between your car and the car ahead of(在 ...前面) you. Thirdly, before you change roads, turn your head all the way around to see everything around you. Fourthly, be careful in bad weather. Always turn your headlights on as this will help you to see other cars as well as help them to see you. Fifthly, be polite all the time. Even if some drivers make you angry, don’t shout at them. You will probably never see them again, and your actions will have no influence on how they will behave in the future. ( )49. The writer wants to tell us ______ in the passage. A. things that can cause driving accidents B. things that can control accidents C. things you need to do after accidents D. things to avoid(避免) accidents while driving ( ) underlined word “control ” here means “_______ ”in Chinese. ( )51. Which of the following sentences is NOT right according to the passage? A. You can always leave one car length between your car and the other cars. B. Look at the road in front of you and notice what is around you. C. Turn your headlights on while driving in bad weather. D. Be polite to anyone though he or she makes you angry . C Are you sometimes a little tired and sleepy in the early afternoon? Many people feel this way after lunch. They may think that eating lunch is the reason of the sleepiness. Or, in summer, they may think it is the heat(高温) . However, the real reason lies inside their bodies. At that time—about eight hours after you wake up—your body temperature goes down. This is what makes you slow down and feel sleepy. Scientists have tested sleep habits in experiments where there was no night or day. The people in these experiments almost always followed a similar sleeping pattern. They slept for one long period and then for one short period about eight hours later. In many parts of the world, people take naps in the middle of the day. This is especially true in warmer climates, where the heat makes work difficult in the early afternoon. Researchers are now saying that naps are good for everyone in any climate. A daily nap gives one a more rested body and mind and therefore is good for health in general. In countries where naps are traditional, people often suffer(遭受 ) less from problems such as heart disease. Many working people, unluckily, have no time to take naps. Though doctors may advise taking naps, bosses do not allow it! If you do have the chance, however, here are a few tips about making the most of your nap. Remember that the best time to take a nap is about eight hours after you get up. A short sleep too late in the day may only make you feel more tired and sleepy afterward. This can also happen if you sleep for too long. If you do not have enough time, try a short nap—even ten minutes of sleep can be helpful. ( )52. Why do you sometimes feel sleepy in the early afternoon? A. Because it’s very hot in summer. B. Because you eat too much for lunch. C. Because you didn’t have a good sleep last night. D. Because your body temperature goes down at that time. ( )53. What can we learn about “naps” according to the third paragraph? A. Doctors need to take naps while working people don’t. B. Taking naps is helpful for people’s health in spring and summer. C. If you take naps every day, you’ll have less risk(风险) of heart disease. D. All the people in warmer climates take naps in the middle of the day. ( )54. What can we infer(推断 ) from the passage? A. You will feel less sleepy if you sleep for a long time. B. Taking a nap whenever you want will do good to your health. C. If you get up at 6:30 am, you’d better take a nap at about 2:30 pm. D. Sleeping for eight hours and you’ll feel sl。江苏省南通市海安县20xx-20xx学年八年级3月形成性练习月考英语试卷
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第 15 题 二. 填空题 (本题共 8 小题.每小题 2 分,共 16 分.请把最后结果填在题中横线上) 11.函数xy 4中,自变量 x 的取值范围是 . 12.在一个边长为 2 的正方形中挖去一个边长为 x( 0< x< 2)的小正方形,如果设剩余部分的 面积为 y,那么 y 关于 x 的函数解析式是 . 13. 直角三角形斜边长是 5,一直角边的长 3,则此直角三角形的面积是 .
3)请帮助小华设计一个电路,要求使误差尽量小,并将电路图滑在虚线框内; ( 4)小华在实验中用电流表和改装后的电压表测得数据并记录在下表中,请根据表格中的数据子啊方格纸上作出该小灯泡的伏安特性曲线; ( 5)将一个电动势为 ,内阻为 3Ω的电源直接接在该小灯泡的两端,则该小灯泡的实际功率 为 ____W(结果保留 1为有效数字)。 12. 【选做题】 A. (选修 33)( 1)下列说法正确的是
t is that you can get rid of the wires snaking from your backpack or pocket. Many of the wireless headphones in the market also have a builtin microphone for taking calls handsfree. Product to buy:
AB . 17.(本题满分 14分)在一张足够大的纸板上截取一个面积为 3600平方厘米的矩形纸板 ABCD,然后再矩形纸板的四个角上切去边长相等 的小正方形,再把它的边沿虚线折起,做成一个无盖的长方体纸盒(如图) .设小正方形的边长为 x厘米,矩形纸板的两边 AB,BC的长分别为 a 厘米和 b 厘米,其中 ab . ( 1)当 90a 时,求纸盒的侧面积的最大值; ( 2)试确定