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All primary and secondary school students in China will be banned (禁止) from 1． (bring) mobile phones to school, the Ministry of Education 2． (announce) in early February.
No mobile phones will be allowed in classrooms, the notice said. Schools should not ask students 3． (do) homework on the phones and they should set up teacher hot lines and public phones for communication between parents 4． students, it added.
The new action 5． is taken to protect students’ eyesight makes sure they focus on study. It can also stop them from becoming lost in the Internet and online games.
Zhang Ting, the mother of a fourth grader in Beijing, said she 6． (strong) supported the ban. “For primary school students, the knowledge found in books 7． (be) enough. Nowadays, information is being carried on the Internet, but the content remains 8． same,” Zhang said. “Information online is not 9． (good) than knowledge learned from books.”
The wrong use of mobile phones can bring a lot of health 10． (problem). It’s already common practice worldwide to limit students’ use of mobile phones in primary and secondary schools.
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
