Mrs. Brown asked me to go to her daughter’s concert and I ______ her invitation with pleasure.A. achievedB. acceptedC. receivedD. obtained

Lesson 23 One man's meat is another man's poisonPeople become quite illogical when they try to decide what can be eaten and what cannot be eaten. If you lived in the Mediterranean, for instance, you would consider octopus a great delicacy.You would not be able to understand why some people find it repulsive.On the other hand, your stomach would turn at the idea of frying potatoes in animal fat-the normally accepted practice in many northern countries. The sad truth is that most of us have been brought up to eat certain foods and we stick to them all our lives.No creature has received more praise and abuse than the common garden snail. Cooked in wine, snails are a great luxury in various parts of the world. There are countless people who, ever since their early years, have learned to associate snails with food. My friend, Robert, lives in a country where snails are despised.As his flat is in a large town, he has no garden of his own. For years he has been asking me to collect snails from my garden and take them to him. The idea never appealed to me very much, but one day, after a heavy shower, I happened to be walking in my garden when I noticed a huge number of snails taking a stroll on some of my prize plants. Acting on a sudden impulse, I collected several dozen, put them in a paper bag, and took them to Robert. Robert was delighted to see me and equally pleased with my little gift. I left the bag in the hall and Robert and I went into the living room where we talked for a couple of hours. I had forgotten all about the snails when Robert suddenly said that I must stay to dinner.Snails would, of course, be the main dish. I did not fancy the idea and I reluctantly followed Robert out of the room. To our dismay, we saw that there were snails everywhere: they had escaped from the paper bag and had taken complete possession of the hall! I have never been able to look at a snail since then.People become quite illogical when they try to decide what can be eaten and what cannot be eaten.If you lived in the Mediterranean, for instance, you would consider octopus a great delicacy.You would not be able to understand why some people find it repulsive.On the other hand, your stomach would turn at the idea of frying potatoes in animal fat --- the normally accepted practice in many northern countries.The sad truth is that most of us have been brought up to eat certain foods and we stick to them all our lives.No creature has received more praise and abuse than the common garden snail.Cooked in wine, snails are a great luxury in various parts of the world.There are countless people who, ever since their early years, have learned to associate snails with food.My friend, Robert, lives in a country where snails are despised.As his flat is in a large town, he has no garden of his own.For years he has been asking me to collect snails from my garden and take them to him.The idea never appealed to me very much, but one day, after a heavy shower, I happened to be walking in my garden when I noticed a huge number of snails taking a stroll on some of my prize plants.Acting on a sudden impulse, I collected several dozen, put them in a paper bag, and took them to Robert.Robert was delighted to see me and equally pleased with my little gift.I left the bag in the hall and Robert and I went into the living room where we talked for a couple of hours.I had forgotten all about the snails when Robert suddenly said that I must stay to dinner.Snails would, of course, be the main dish.I did not fancy the idea and I reluctantly followed Robert out of the room.To our dismay, we saw that there were snails everywhere: they had escaped from the paper bag and had taken complete possession of the hall!I have never been able to look at a snail since then.

She keeps a supply of candles in the house in case of power _________.A. failureB. lackC. absenceD. drop

John was late for the business meeting because his flight had been ______ by a heavy storm.A. keptB. stoppedC. slowedD. delayed

Questions 46 to 50 are based on the following passage.-|||-You may know the feeling.It's the late afternoon,and you still haven't left the house. You've spent the last-|||-several hours on your phone,scrolling through your Facebook news feed,refreshing Twitter and watching YouTube-|||-videos.Asmartphone might feel like it's keeping you connected,but it can also be a way of secluding yourself.-|||-Data from a recent study conducted by researchers at Northwestern University's Feinberg School of Medicine-|||-found that the scenariodescribed above-high volume of phone use and a static(静止的)geographic location-could-|||-be linked to depression.The study,published in The Journal of Medical Internet Research,also found that depressed-|||-people,on average,spend more time on the phone than non-depressed people-|||-"People are likely,when on their phones,to avoid thinking about things that are troubling,painful feelings or-|||-difficult relationshps David Mohr,one of the study's senior authors and a professor of behavioral psychology at-|||-Northwestern,in a statement."It's an avoidance behavior we see in depression."Mohr also pointed out that depressed-|||-people tend to withdraw emotionally and avoid going out-behaviors that are arguably facilitated by the constant-|||-entertainment stream avai on smartphones.-|||-The study's participants consisted of a mix of people with and without prior depression. They completed a-|||-questionnairedescribing t symptoms before agreeing to have their phone use monitored for two weeks.Using GPS,-|||-the researchers tracked their location and the amount of time they spent on the phone.They were then able to identify-|||-which participants were depressed using the aggregated phone data,with 87 percent accuracy.-|||-Sohrob Saeb, a research fellow at Northwestern,said in the release that phones could be more reliable for-|||-diagnosing depression tha traditional methods.In standard industry practic patients are often asked to describe-|||-their symptoms by indicating how sad they are on a scale of 1 to 10.According to Saeb,the release reported,these-|||-responses can be rote and unreliable.In contrast,the study found,a smartphone can unobtrusiv (不引人注目地)-|||-and accurately measure a patient's daily activity,providing data that could trigger a health care provider to recognize-|||-the need for an intervention.-|||-46.What is the author's opinion about using a smartphone?-|||-A)It is only a tool to contact people.-|||-B)It makes people feel lonely.-|||-C)It does great harm to health.-|||-D)It keeps people apart from others.-|||-47.What can be learned from the study conducted by researchers at Northwestern University?-|||-A)Too much time spent on phones leads to depression.-|||-B)Depressed people tend to spend more time on phones than others.-|||-C)Spending more time on phones can help cure depression.-|||-D)Non-depressed people spend little time on their phones.-|||-48.According to Mohr,why do depressed people focus on phones?-|||-A)They tend to temporaraly forget about unhappiness.-|||-B)They feel entertained and amused by phones.-|||-C)They do not have many friends to hang out with.-|||-D)They find confidence and happiness from the phones.-|||-49.What do we know about traditional methods for diagnosing depression?-|||-A)Patients'location is monitored by GPS.-|||-B)Patients describe their symptoms in words.-|||-C)Patients complete a questionnaire to describe symptoms.-|||-D)Patients indicate their sadness on a scale of 1 to 10-|||-50.Patients'daily activities can be measured by smartphones so that __ -.-|||-A)they can adjust their living habits if necessary-|||-B)their family and friends can know them better-|||-C)they can get timely health care if needed-|||-D)they will do their best under the monitoring

---What's that terrible noise？---The neighbors ______ for a party．（ ）A. have preparedB. are preparingC. prepareD. will prepare

______ I didn’t believe her but then I realized that she was telling the truth.A. FirstlyB. At firstC. First of allD. First

_me the most is that these butterflies return to the very same tree in Mexico that their great great-grandparents used for the winter before.A. It amazedB. Which amazedC. That amazedD. What amazed

Alice returned from the manager's office ________ me that the boss wanted to see me at once. [ ]A. having toldB. tellsC. to tellD. telling

___________,he has earned himself a lot of respect , yet he is always modest and accessible.A. With his all profound knowledgeB. With all his profound knowledgeC. Through all his profound knowledgeD. By all his profound knowledge

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