The choice is important． You should think about it carefully before you make the final d ．
Could you please tell me your e﹣mail a ？
This deep river is d for swimmers．
Never t a man who always tells lies．
The Silk Road went from China to Eastern Europe．It went along the north of China，India，and Persia and ended up in Eastern Europe near today's Turkey and the Mediterranean Sea．
It was called the Silk Road because one of the major products traded was silk cloth from China．Chinese silk was soft and of high quality．So people throughout Asia and Europe loved it very much． （1） ．Even the Romans called China the"land of silk"．
Besides silk，the Chinese also sold teas，salt，sugar，porcelain（陶瓷），and spices．Most of the goods was expensive．This was because it was a long trip and traders didn't have a lot of room for goods．They bought goods like cotton，ivory，wool，gold，and silver．
Traders traveled in large caravans．They would have many guards with them． （2） __ Most of the road was through dry land．So camels were popular animals for transport．
Although there was some trade between China and the rest of the world for some time，the silk trade developed quickly during the Han Dynasty which ruled from 206 BC to 220 AD． （3） During this time the Mongols controlled most of the trade road，and Chinese traders travel safely．Also，traders had a higher social position during the Mongol rule． （4） __ It not only helped to develop trade between different countries，but also helped for ideas，culture and inventions to spread across the world．
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A．The Silk Road was important． B．The Chinese sold silk for thousands of years． C．The Silk Road was full of wealth as well as danger． D．Traveling in a big group like a caravan helped in protecting themselves． E．Later，under the rule of the Yuan Dynasty，trade China along the Silk Road was fully developed． |
A primary school in Canada has made some of its students very（1） by banning（禁止） homework．
Teachers will still be able to ask students to（2） and read at home，but they cannot give them homework like pages of math problems．The school will（3） the way students spend time in class to make sure they don't fall behind in their work．
Some（4） think it's a bad idea．They say homework is a way for them to know how their children are doing in school．And to help them if they are having problems．
The school says it will send home an exercise book（5） parents can see their children are doing．
Several school in Canada and United States have been discussing（6） homework is a good idea or not．
In 2009，a study（7） that student with more homework may get higher marks．But this was only true for students in the seventh grade and higher，not in primary school．
Many people believe that homework is important because it（8） children to manage their time better．They say it also reinforces（巩固） what the students are learning in school．
But other people think homework causes stress for students and makes them less interested （9） __ learning．They say children's lives are too（10） ，and they need to be able to spend more free time with their families，or just playing．
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1．A．sad |
B．happy |
C．angry |
D．afraid |
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2．A．play |
B．sing |
C．study |
D．dance |
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3．A．change |
B．stop |
C．study |
D．continue |
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4．A．students |
B．parents |
C．teachers |
D．experts |
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5．A．so |
B．but |
C．or |
D．if |
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6．A．why |
B．whether |
C．how |
D．what |
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7．A．told |
B．guessed |
C．tested |
D．found |
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8．A．tells |
B．forces |
C．teaches |
D．advices |
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9．A．at |
B．in |
C．on |
D．for |
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10．A．free |
B．interesting |
C． relaxing |
D．busy． |