8．直到手术成功父母亲才平静下来．Parents didn'tcalm down until the operation was finished successfully．．——青夏教育精英家教网——

8．直到手术成功父母亲才平静下来．
Parents didn'tcalm down until the operation was finished successfully．．

7．采取这些措施，我们就能对环境造成很大影响．
Take these steps/action．andwe will make a big difference to the environment．

6．和那些愚蠢的家伙保持联系就是浪费时间．
It is a waste of time to keep in touch with those stupid guys．

5．I hear that you bought a lot of gifts for your girlfriend．Do you have anypurposes（目的）？

4．Mother is so talkative that she has spentover （超过）one hour on what she will wear for
the party．

3．-This test is too difficult for most of the students．
-You are right．As youexpected （预料），one third of them failed．

2． the help of the teacher，the girl has learned a lot．（　　）

1．Tom introduced ____ to some friends of his．（　　）

20．Australia is the sixth largest country in the world．There is so much to see．Sydney is a famous city of the country and it is beautiful．There are many trees and flowers around houses and they look really beautiful．There are also some special animals in Sydney，and they are really cute．
During the past three days，Mary and her friend Linda visited many places of interest around Sydney．They'd like to spend more time here．But they have to fly to another city，Cairns，to see coral beds（珊瑚礁）this morning．It is said that words cannot describe the beauty of colorful coral．People made many famous cartoon movies there．Now they are busy packing（收拾） their bags．They will enjoy themselves in Cairns．They're looking forward to going there!
56．What can people see around houses in Sydney？Many trees and flowers．．
57．How long did Mary and Linda stay in Sydney？Three days．．
58．Did Mary and Linda have a good time in Sydney？Yes，they did．．
59．Where are Mary and Linda going this morning？Cairns．
60．What kind of movies did people make there？Many famous cartoon movies．．

Teeth are important parts of our body．If we want to keep our teeth healthy and clean，we should brush teeth at least twice a day．How can we brush our teeth？Of course by using toothpaste and toothbrushes．But do you know the history of toothpaste？
About 7，000years ago，Egyptians（埃及人）were the first to start using toothpaste．Do you know what they used to wash their teeth？You may feel very surprised!They washed their teeth with tortoise（海龟）blood three times a year．
   Later，Greeks（希腊人）began to brush teeth，too，They used stones as toothpaste．Even kids at that time put stones into their mouths to clean their teeth．That sounds funny．When they used stones to clean their teeth，they should be careful not to injure their teeth．
Modern toothpaste started in the 1800s．At that time，there was a dentist and his name was Dr．Peabody，he was the first person to make toothpaste．The toothpaste he made was a little similar to the one we use today．
46．Cwere the first to start using toothpaste．
A．Chinese              B．Americans            C．Egyptians
47．Greeks usedBto brush teeth．
A．blood                B．stones                C．sweets
48．The underlined word"injure"probably means"B"in Chinese．
A．保护                 B 损伤                C 清洗
49．After reading the passage，we can knowA．
A．how often we should brush teeth
B．how long we should brush teeth at a time
C．when Chinese began to use toothpaste
50．What's the best title for the passage？C
A．A Great Dentist        B．Important to Teeth      C．History of Toothpaste．

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