(   ) 3. ―Do you know        or not Mr. Johnson will come today?  

      —I'm not sure.

   A. if   B. whether   C. that   D. weather


3. B whether or not屬固定搭配，如果or not放在后面，既可用if ,也可用whether

題目來源：2015仁愛英語同步練測考八年級英語上冊 > Topic 3 The internet makes the word smaller.

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A ： Could you tell me something about the Internet? 

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A; 2      

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  China's tennis player Li Ting and Sun Tiantian took part in the women's doubles in the Athens Olympic Games on August 22nd,2004. All the Chinese felt very glad because it was the first historic (歷史性的) gold medal for China from the Olympic tennis court.

  Li Ting,born on January 5th,1980 in Hubei,is 180cm tall and 72kg. She took part in many games and did very well. Her teammate Sun Tiantian was born in Henan on October 13th,1981. She is 175cm tall and 64kg. The two girls seldom go home because they have to train for many kinds of matches. They miss their families but they know training is more important than staying at home.

根據(jù)短文內(nèi)容，選擇最佳答案。

(   ) 46. Li Ting and Sun Tiantian took part in        in Athens Olympic Games in 2004.

   A. the women's singles   B. the women's doubles

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   A. table tennis   B. tennis   C. basketball   D. football

(   ) 48. Li Ting was born on        in         .

   A. the fifth of January,1980;Hefei

   B. the twelfth of October,1981;Hefei

   C. the fifth of January,1980;Hubei

   D. the twelfth of October,1981;Hubei

(   ) 49. Both Li Ting and Sun Tiantian are         .

   A. short girls   B. tall girls   C. tall boys   D. short boys

(   ) 50. The two girls are always busy training for         .

   A. basketball   B. football

   C. table tennis   D. many kinds of matches

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