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It is English exam today .Before the exam, Miss Li said to her class ,” This is a very important exam , if anyone of you doesn’t pass , which is less than 60 points, then you won’t go to the next grade .” And then she handed out all of the exam papers and went back to her desk to wait . Now Xiaohui was so worried because he never studied well for the exam . Suddenly he had an idea . After an hour , the exam was over . All the students handed the exam papers in . After checking the papers , Miss Li noticed one of the pupils had put a ¥100 note together with his exam paper and with a note saying “One yuan for one point .”
After three days , all the pupils got back their exam papers ,and Xiaohui got back his exam paper and ¥41change .
(1)There is an maths exam for the pupils .
(2)The exam lasted for three days .
(3)Xiaohui didn’t do well in English .
(4)Miss Li found a ¥100 note together with the Xiaohui’s exam paper .
(5)Finally, Xiaohui could pass the exam .
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
