---What is month of a year?---It's December．( )A．the twelveB．twelveC．twelfthD．the twelfth 题目和参考答案——青夏教育精英家教网—

题目内容

6．---What is month of a year？
---It's December．（　　）

A．

the twelve

B．

twelve

C．

twelfth

D．

the twelfth

分析 --一年中的第十二个月是什么？
--它是十二月．

解答答案：D．
根据It's December，可知上面应该问的是哪一个月，此处需要序数词（大于一的基数词+名词复数；序数词+名词单数），表示十二月是一年的第十二个月．序数词前必须加定冠词the．12为基数词twelve；第12为the twelfth．故选D．

点评本题考查序数词的用法．基数词与序数词的区别用法（大于一的基数词+名词复数；序数词+名词单数）是做题的关键．

练习册系列答案

17．A．Science．
B．English．
C．Biology．

14．A．The boy．
B．The girl．
C．The boy's sister．

1．A．It's September 10．
B．It's March 8．
C．It's June 1．

11．Spring Festival usually comes in February，but sometimes it comes in January．

18．Where does John come from？
A．Japan．
B．Australia．
C．America．

15．The World Health Organization（WHO） has reported warnings about the A/H1N1flu（流感） by raising its alert level．By May 7，the WHO reported a total of 1，893confirmed cases（确诊病例） of human infection（感染） in 23countries and regions，including 31deaths．China will communicate with the WHO and take measures to prevent the outbreak of the A/H1N1flu on the mainland．
On May 18，a reporter from CCTV interviewed Shu Yuelong，Director of the Chinese National Influenza Center，after it got the first A/H1N1flu virus sample （病毒样本） from an imported case （输入病例） on May 17．This first virus sample was taken from a patient from Sichuan Province．Shu Yuelong said，"All the cases we have now are being imported．We want to know whether the virus in our cases is the same being seen in other countries．After getting this virus sample，we worked overnight to test it．We found it similar to samples gotten in the United States and Canada．We can say they are the same virus or the same type of virus．The virus does not mutated（变异） after spreading to China．But we cannot say for sure that it won't mutate after entering China．So we have to continue our work of virus testing．"
Health experts say that the symptoms（症状） of the A/H1N1flu are similar to those of the regular flu，including headaches，coughing and fever．They suggest that people with cold symptoms should take a rest at home．When symptoms become serious，people should go to a hospital．They also suggest that people should stay away from crowds to avoid the possibility of virus infection．
根据短文内容，完成下列小题．
87．What's the passage mainly about？the A/H1N1flu
88．Where was the first A/H1N1flu virus sample taken from in China？Sichuan Province
89．Are the experts sure that the virus won't mutate after entering China？No，they aren't．
90．What do the symptoms of the A/H1N1flu include？Headaches，coughing and fever．
91．What should you do if you have a bad cold according to health experts'suggestions？Go to hospital．

16．Information Sheet
It's important for students to（16）略．at school．
Students shouldn't crowd when they go（17）略．（18）略．school alone on school nights would be dangerous．
Their school things and money should（19）略．
Students should（20）略．each other and helping each other is very important．

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