单选题According to the passage, we learn ______Ait’s easy to win the international science and technology competitionBHollow Flashlight is safe, noiseless and can save energyCAnn has made a decision to be a scientist in the futureDfew peop1e are interested in how Ann created the flashlight
单选题
According to the passage, we learn ______
A
it’s easy to win the international science and technology competition
B
Hollow Flashlight is safe, noiseless and can save energy
C
Ann has made a decision to be a scientist in the future
D
few peop1e are interested in how Ann created the flashlight
参考解析
解析：
由原文第七段可知，这种手电筒不使用任何电池或者有害材料，无噪音，能持续工作。故B选项正确。原文第二段中的“Ann Makosinski was the only Canadian among the four winners at Google’s international science and technology competition.”说明在谷歌科技挑战赛中获奖并不是一件容易的事，故A项错误。原文第八段中的“she has not made a decision about her career path.”说明她并没有决定她未来的职业道路，故C项错误。原文第八段中的“A video of Ann...has been watched more than 1.4 million times on the Internet.”说明很多人对她是怎样发明这种手电筒很感兴趣，故D项也错误，因此应选B项。
由原文第七段可知，这种手电筒不使用任何电池或者有害材料，无噪音，能持续工作。故B选项正确。原文第二段中的“Ann Makosinski was the only Canadian among the four winners at Google’s international science and technology competition.”说明在谷歌科技挑战赛中获奖并不是一件容易的事，故A项错误。原文第八段中的“she has not made a decision about her career path.”说明她并没有决定她未来的职业道路，故C项错误。原文第八段中的“A video of Ann...has been watched more than 1.4 million times on the Internet.”说明很多人对她是怎样发明这种手电筒很感兴趣，故D项也错误，因此应选B项。
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