解答 答案：takes good care of him． 首先通过中英文句子的比对，可知英文句子中缺少"把他照顾得很好"的表达．短语"把他照顾得很好"的英文表达是：takes good care of him．本题中，句子叙述一件事实，所以句子使用的时态是一般现在时，主语是his mother，是个单数形式，所以take后面应该加s，故答案为：takes good care of him．
10．Lu Han was born in Beijing in April 20，1990，who is a singer and dancer．Because of his outstanding appearance，he was discovered by SM Entertainment Company while shopping in Myeong Dong in South Korea．In 2010he entered the SM Company to become its practice．On December 27，2011he first appeared through the EXO website．On April 8，2012he appeared to the public officially in the group of EXO．The EXO is one of the most pop music groups in Asia．His handsome looking，stage strength in singing and dancing，excellent personal charm won many fans'love．He was the only one of the EXO who was good both at singing and dancing．In his spare time，he likes playing magic cube and also does well in football and basketball．On 10th October，2014，he terminated the agreement（合约） with SM and then went back to China．Now the 24-year-old young man had his first try at acting．He started in the Chinese movie Returning to the 20s．In the movie，a 70-year-old woman becomes back to 20again and plays in a band with her grandson．Lu Han played the role of the grandson．Another good news for the fans is that he is said to be invited to the Spring Festival Gala for 2015．
46．Where did Lu Han use to work as a singer？D A．In America．B．In UK．C．In Japan．D．In Korea． 47．What's Not TRUE according to the passage？A A．Lu Han is still on the EXO music group．B．He likes playing football and basketball． C．He will attend the Spring Festival Gala for 2015．D．Returning to 20s is his first acting in movies． 48．The underlined word terminated probably meansB． A．continuedB．bring…to an endC．put offD．set up．
11．Miss Evans taught physics in a London school．Last month she was explaining to her class about sound，and she decided to test them to see how successful she was in her work．She said to them．Now，I have a sister in Washington If I was calling her on the telephone，and at the same time you were 20meters away and listened to me from the other side of the street，who could hear what I said earlier，my sister r you？And why？ The cleverest boy at once answered，"Your sister，Miss Evans，because electricity （电）travels faster than sound waves（波）．""That's very good．"Miss Evans answered，but then one of the girls put up her hand，and Miss Evans said，"Yes，Betty？" "I don't think so．"Betty said，"Your sister would hear you earlier because when it's eleven o'clock here，it's only six o'clock in Washington．"
53．Miss Evans was teaching her classA． A．about sound B．to hear some strange sound C．about electricity D．how to say time 54．The cleverest boy thought thatD． A．sound waves travel faster than electricity B．they would hear her sister in Washington first C．Miss Evans's question wasn't right D．Miss Evans's sister would hear her earlier first 55．Betty thought the cleverest boy was wrong，becauseA． A．clocks in Washington showed a different time from hose in London B．electricity was slower than sound waves C．they were only 20meters away from the telephone D．electricity travels as fast as sound waves．
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