语言朋友(71)most people is determining whether or not they should.This is particularly true with anyone over thirtyfive, especially if they have been heavy smokers.Likewise, young adults who have been very inactive should proceed slowly and with caution.A physical evaluation(评价)from a physician is recommended, (心血管的) problems that might not show up when the body is at rest.This is done by monitoring blood pressure, e walking.The idea is to increase heart rate and circulation slowly without placing a sudden strain on the heart or the muscles that are starting to work.
The next phase in developing an exercise program is to determine the amount of exercise that is enough to condition the muscles and cardiovascular system without excessively exhausting the body.This involves taking one's pulse and finding one's target zone.This target zone, or safe璽raining pulse rate, is established by subtracting one's age frlom 220 and then taking 60 percent to 80 percent of that total.If you are just starting to exercise, 60 percent is recommended; 80 percent is recommended if you are already in good condition.
解题导语：锻炼应注意些什么？怎样进行锻炼？作者给我们作了详细的说明。er.
B．A physician who is in charge of physical checkups.
C．Any wouldbe sportsman.
D．Anyone who wants to take up exercise.
解析：推理判断题。整篇文章是关于如何锻炼的所以读者应该是想进行锻炼的任何一个人故选D。ical activity.
B．Examining the blood pressure.
C．Observing oxygen consumption.
D．Increasing blood circulation.
解析：细节理解题。根据第一段“While a person is exercising, (心血管的) problems that might not show up when the body is at rest.This is done by monitoring blood pressure, 可知选D。________.
A．slightly
B．overly
C．attentively
D．physically
解析：词义猜测题。根据第三段“determine the amount of exercise that is enough to condition the muscles and cardiovascular system”可知选B这里是“超过”的意思。________．细节理解题。根据第三段“This involves taking one's pulse and finding one's target zone.This target zone, then taking 60 percent to 80 percent of that total.If you are just starting to exercise, 60 percent is recommended; 80 percent is recommended if you are already in good condition.”可知－＝175；因为初学者的量为60%所以175×0.6＝105故选A。to recommend ______．ses
D．that we should take up physical exercises according to our physical condition
解析：写作意图题。根据全文内容可知作者建议我们要根据自己的身体状况进行锻炼故选D。________ (develop) tremendously in the past 50 years.Nowadays people will see all kinds of fast food restaurants here and there, which 7.________ (clear) shows how closely it is related to our daily life.Most people believe that fast food business has become part of our life and its development is good for 8.________society and people.
Firstly, the best thing about fast food is being fast.Now everyone lives a busy life, 9.________ time is the most valuable thing to us all.Fast food offers a most efficient way 10.________ (eat)．You will waste no time in waiting or choosing.Secondly, ________ entertainment and study.Friends come here, chatting or playing cards; students come here, reading books or doing homework, and meanwhile you can enjoy a bag of chips and a bottle of cola 12.________ will bring more pleasure.Thirdly, youngsters can even find good opportunities of working practice 13.________ some fast food restaurants.Working experience helps them understand the society better and improve their communicating skills.
In many ways, we benefit a lot from 14.________ fast food business.Therefore, I think 15.________ helpful and important to our life.
解题导语：本文主要介绍了快餐业在社会生活中的作用。解析：根据后面的时间状语“in the past 50 years”可知应用现在完成时态。答案：has developed解析：用副词修饰动词。答案：clearly解析：表示“两者都”用both。答案：both解析：前后是因果关系故用so。答案：so解析：不定式作定语。答案：to eat11．解析：for表目的。答案：for解析：定语从句缺少主语先行词指物故用which/that。答案：which/that解析：介词短语作状语。答案：in解析：表特指。答案：the解析：it指代上句的“the fast food business”。答案：it