It is all about excitement，speed，and entertainment．It is the biggest international event in winter sports-the Winter Olympic Games．Guess which city will be the host in 2022？The two candidates，Beijing （jointly with Zhangjiakou in Hebei） and Almaty in Kazakhstan are waiting to find out who will win the bid．
6．
Nowadays，there are many left_behind children whose parents work away from houses．Most of them （48）come fromthe countryside．They have many problems．They are always lonely and （49）stressed out because they are short of their parents'（50）love．At the same time．They are easy to（51）make mistakes even do some things against the laws because they are short of their families'care．
How to （52）solvetheir problems？In my eyes，the government should （53）set up a parents'school for these children on holidays．You can oganize"hand_in _hand"（54）activities to call on people to help them．You can also raise money to donate to these children．As the song says．"If everyone gives their love，the world will be better"It is very （55）important for us to pay attention to these children if we want to build a harmonious society．
| from，love，come from，stressed out，activities， make mistakes，set up，important，useful，solve |
How to （52）solvetheir problems？In my eyes，the government should （53）set up a parents'school for these children on holidays．You can oganize"hand_in _hand"（54）activities to call on people to help them．You can also raise money to donate to these children．As the song says．"If everyone gives their love，the world will be better"It is very （55）important for us to pay attention to these children if we want to build a harmonious society．
4．阅读药单说明，判断下列句子是否正确，正确（用"A"），错误（用"B）
51．If you have a cold with a fever，you can take these pills．A
52．Jim is ten years old．He should take nine pills a day．B
53．One-year-old babies can't take these pills．A
54．You should put these pills a cool place．A
55．You can still take these pills after 2018．B．
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| How to Take the Medicine These pills are for a cold with a fever and a cough． Take three times a day before meals． Adults：three pills each time． Children （6-12）：two pills each time． Children （2-5）：one pill each time． Not for children under the age of two． Keep in a cool place．Use before October 2017 |
52．Jim is ten years old．He should take nine pills a day．B
53．One-year-old babies can't take these pills．A
54．You should put these pills a cool place．A
55．You can still take these pills after 2018．B．