Unit 5 Wonders of Our Body 同步练习 1

Unit 5 Wonders of Our Body 同步练习同步练习 Period One Getting Ready Reading 基础落实基础落实 课文理解课文理解 1 A low concentration of white blood cells will A strengthen the body s ability to fight infections B lead to a healthy body C reduce the amount of red blood cells D reduce the body s ability to fight infections 2 Which kind of blood can be transfused into the person who has blood type A A Type B B Type AB C Type A D Type B and type AB 3 Which kind of blood has both A antigens and B antigens A Type A B Type B C Type AB D Type O 4 When you have an infection how does your body response A The number of white blood cells soars B The number of red blood cells reduces C The number of white blood cells reduces D The number of red blood cells soars 5 Blood tests cannot A find blood type B check for signs of infection C determine the concentration of various chemicals in blood D distinguish the sex of a person 课文缩写课文缩写 Your blood is a 1 part of your body It 2 up oxygen in your lungs and carries it to your cells It carries wastes away from your cells It carries white blood cells and antibodies The white blood cells gobble up the invaders and the antibodies 3 them out Your blood also carries food from your stomach and small intestine to all parts of your body 4 you lost a lot of blood what would a doctor do 5 the blood as quickly as possible by giving you a transfusion of blood donated by another person But the doctor can t use just anyone s blood the donor s blood has to be of a type that won t be 6 by your blood People with a certain type can 7 blood of only certain other types Your blood type can be found by a technician in the lab But blood typing isn t the only 8 to have a blood test taken It can also check for signs of infection Other blood tests can determine the concentration of various chemicals in your blood or the variety and types of blood cells circulating in the blood The information 9 in a drop of blood may lead to a doctor to suggest ways to treat or 10 dangerous health conditions 能力提升能力提升 阅读理解阅读理解 A Sports can help you keep fit and get in touch with nature However whether you ar e on the mountains in the waves or on the grassland you should be aware that your s port of choice might have great influence on the environment Some sports are resource hungry Golf as you may know eats up not only large ar eas of countryside but also tons of water Besides all sorts of chemicals and huge amo unts of energy are used to keep its courses 球场 in good condition This causes major en vironmental effects For example in the dry regions of Portugal and Spain golf is often held responsible for serious water shortage in some local areas There are many environmentally friendly sports Power walking is one of them that y ou could take up today You don t need any special equipment except a good pair of sho es and you don t have to worry about resources and your purse Simple and free power walking can also keep you fit If you walk regularly it will be good for your heart and bones Experts say that 20 minutes of power walking daily can make you feel less anxiou s sleep well and have better weight control Whatever sport you take up you can make it greener by using environmentally frie ndly equipment and buying products made from recycled materials But the final goal sho uld be green gyms They are better replacements for traditional health clubs and moder n sports centers Members of green gyms play sports outdoors in the countryside or othe r open spaces There is no special requirement for you to start your membership And bes t of all it s free 1 Which of the following is the author most probably in favor of A Cycling around a lake B Motor racing in the desert C Playing basketball in a gym D Swimming in a sports center 2 What do we know about golf from the passage A It is popular in Portugal and Spain B It causes water shortages around the world C It pollutes the earth with chemicals and wastes D It needs water and chemicals to keep its courses green 3 The author uses power walking as an example mainly because A it is an outdoor sport B it improves our health C it uses fewer resources D it is recommended by experts 4 The author writes the passage to A show us the function of major sports B encourage us to go in for green sports C discuss the major influence of popular sports D introduce different types of environmentally friendly sports B People turn to magic chiefly as a form of insurance that is they use it along with actions that actually bring results For example hunters may use a hunting charm 咒语 But they also use their hunting skills and knowledge of animals The charm may give hunters the extra confidence they need to hunt even more successfully than they would without it If they shoot a lot of game 猎物 they credit the charm for their success Many events happen naturally without magic Crops grow without it and sick people get well without it But if people use magic to bring a good harvest or to cure a patient they may believe the magic was responsible People also tend to forget magic s failures and to be impressed by its surface successes They may consider magic successful if it appears to work only 10 percent of the time Even when magic fails people often explain the failure without doubting the power of the magic They may say that the magician made a mistake in reciting the spell or that another magician cast a more powerful spell against the magician Many anthropologists 人类学家 believe that people have faith in magic because they feel a need to believe in it People may turn to magic to reduce their fear and uncertainty if they feel they have no control over the outcome of a situation For example farmers use knowledge and skill when they plant their fields But they know that weather insects or diseases might ruin the crops So farmers in some societies may also plant a charm or perform a magic rite to ensure a good harvest 5 From the passage we can learn that the writer of the passage may be A a hunter B a farm