9. 无( )
A. Sally＇s wedding plan.
B. Sally＇s boyfriend Robert.
C. Sally＇s Valentine＇s Day present.
D. Sally＇s diamond ring.
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9. Leadership is all about getting people to give their best,helping them to grow to their fullest potential, and motivating them to work toward a common goal.Leaders make the right things happen when they＇re supposed to. A good leader, an effective leader,is one who has respect for others. A leader who has respect for other people will find that respect is returned.And all concerned will be motivated to work together.
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2. 无( )
A. Because there are only half a million elephants in Africa.
B. Because the elephant population in Asia has declined .
C. Because it can save over 20,000 elephants a year.
D. Because lt will help preserve endangered(濒危的) elephants.
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15. Children brains cannot develop B. they lack protein(蛋白质).
A. Since
B. When
C. Because
D. unless
E.
F.
G.
H.
I.
J.
解析：
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2. 无( )
A. Translation requests.
B. Multilingual (多语言的)system.
C. Neural(神经的)machine translation.
D. Phrase-by-phrase system.
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20. People think that the beauty of the mountains is great than ( ) of the desert.
A. One
B. the one
C. those
D. that
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10. — Hello, Rosa! I heard you went to New Jersey. — I ( ) away for a week. But I’m back now.
A. am
B. have been
C. was
D. had been
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15. 无( )
A. Someone who gives advice on shopping.
B. Someone who likes shopping very much.
C. Someone who owns a shop.
D. Someone who works in ashop.
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1、Unit5中国众多的河流和湖泊提供了充足和可靠的水供应。但由于高速的经济发展,饮用水源头大多已遭到污染。全国水资源分布不均,而且据预测,2030年中国人口将达16亿。水资源稀缺将不可避免地成为重大关切。南水北调工程(the South-North Water Transfer Project)已开始从长江输水至山东省。水利部在十三五规划中突出了水安全(security)对于国家安全的战略意义,并将加大力度保护水资源和恢复水生态系统。
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4. 无( )
A. Because a growing amount of American companies are doing business with China.
B. Because NY is one of the largest and most exciting cities in the world for travelers.
C. Because arriving Chinese are to become the largest immigrant group in NY.
D. Because the NY firemen speak ittl or no English.
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