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【判断题】
过火石灰孔隙率减少,密度增大,结构致密A.
正确
B.
错误
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【简答题】试比较 TD-Ag 和 TI-Ag 的特点有何异同?
【单选题】Why did Switzer use her initials to sign up the 1967 Boston Marathon?
A.
Because she was required to do so.
B.
Because she wanted to be remembered.
C.
Because she wanted to give the public a surprise.
D.
Because she didn’t want to expose her gender before the game.
【单选题】How did Switzer first come to the public eye?
A.
She ran four hours and twenty minutes.
B.
She was shoved off by the race manager.
C.
She was the first woman to run marathon.
D.
She signed up Boston Marathon by her initials.
【单选题】Why did Switzer enter the marathon again when she was 70?
A.
To commemorate the Boston marathon 50th anniversary.
B.
To celebrate her 70th birthday.
C.
To arouse the public's attention to her again.
D.
To prove the strength of the 70-year-old .
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