如图，长方形ABCD的面积是1，M是AD的中点，N在AB边上，且AN=BN。那么，阴影部分的面积等于()。
A. 1/2
B. 1/3
C. 5/12
D. 7/11
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全国重点文物保护单位不得()。
A. 参观
B. 搬迁
C. 拆除
D. 占用
From the first paragraph, we can see that Dave Irvine-Halliday________.
A. is a mountain climber
B. went to that village to repair the lamps
C. found the villagers were using the lamps he had given them
D. has visited the small village several times
What is the best title of this passage？
A. Function of nap
B. Nap and work
C. Nap and caffeine
D. Nap and busy people
A．impelB．spurC．forceD．urge
A. impel
B. spur
C. force
D. urge
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