单选题A man was sighted as he fell overboard. After completing a Williamson turn，the man is not sighted. What type of search should be conducted?（）AExpanding circleBSector searchCParallel track patternDDatum-drift search
单选题
A man was sighted as he fell overboard. After completing a Williamson turn，the man is not sighted. What type of search should be conducted?（）
A
Expanding circle
B
Sector search
C
Parallel track pattern
D
Datum-drift search
参考解析
解析：
暂无解析
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A）阅读下面的短文，判断短文后面的句子是否符合短文内容。符合的写（A），不符合的写（B）。（10分）It was a cold night. The taxi driver didn’t take even one passenger（乘客） all day. When he went by the railway station， he saw a young man coming out with two bags in his hands. So he drove to him and asked， “Where are you going，sir?”“To the Red Hotel，” the young man answered. When the taxi driver heard this， he didn’t feel happy any more. The young man would give him only three dollars because the hotel was near the railway station. But suddenly， he had an idea. He took the young man through many streets of the big city.After a long time， they arrived at the hotel. “Here we are! You should pay me fifteen dollars， please，” the taxi driver said to the young man. “What? Fifteen dollars! Do you think I’m a fool? Only last week， I took a taxi from the railway station to this hotel and I only gave the driver thirteen dollars. I know how much I have to pay for the trip.” 21.The driver was not happy before he saw the young man.
Lately, more and more singles are turning to the Internet for better dating opportunities. The process of an online relationship, however, is very different from the real-life dating process. The online environment is, by its very nature, restrictive.Trish met a man online, and the online relationship quickly blossomed into an intense, intimate encounter. She had lied in the beginning of the relationship by understating her own weight by 150 pounds. When he asked for her picture a week later, she worried about her lie, and sent a picture of a slimmer woman instead. In her mind, however, he would come to accept her physically once he fell in love with her soul. A few weeks passed, and the relationship intensified. He arranged to fly to meet her. She felt confident that her lie would be forgiven if she confessed in person. However, the woman he met was nothing physically that she had led him to imagine.He walked away angrily and refused to speak to her again. Trish blamed society’s focus on beauty, not willing to realize that she had cheated him.Amy, a friend of mine, was involved in an online romance for several months with Jed, a man who lived in another state. Their relationship included lengthy and intimate phone conversations. They genuinely cared for each other, and spent time supporting one another through difficult life decisions. From their perspectives, they shared an intimate and loving relationship. When she suddenly became ill and hospitalized, I relayed messages to him, until he was able to contact her in her hospital room. They soon began discussing the possibility of living together.Problems occurred when they met for the first time. My friend complained that the spark that they shared online no longer existed in real life. Once completely charmed, they now easily annoyed each other. After sharing their feelings and troubles for three months, they became total strangers face-to-face. Realizing that they had crossed intimacy boundaries, it was uncomfortable to assume even a friendly relationship.(1)According to the 1st paragraph, the online relationship _____________.A、is similar to the real-life dateB、is not limiting by natureC、is a better dating opportunityD、is more and more popular among singles(2)Why didn’t Trish send her own picture to the man?A、Because she was very confident.B、Because she was not as slim as she lied.C、Because she fell in love with him.D、Because the man loves slim lady.(3)When did the man arrange their first meeting?A、After he knew the lie.B、After he got her picture.C、After their relationship became steady.D、After he accepted her physically.(4)Why did the man get angry?A、Because Trish refused to speak to him.B、Because Trish blamed the society, not herself.C、Because Trish didn’t confess before him.D、Because he realized he was cheated.(5)The story of Amy and Jed tells us _____________.A、Love online is hard to survive (生存 ) in real life.B、Her illness made them live together.C、It is hard for strangers to live together.D、It is impossible to find true love online.
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单选题A man was sighted as he fell overboard. After completing a Williamson turn，the man is not sighted. What type of search should be conducted?（）AExpanding circleBSector searchCParallel track patternDDatum-drift search
单选题The man fell in love with her at first______.AsceneBsightCviewDlook