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American School
American schools begin in September. There are two terms(学期)in a school year .The first term is from September to January, and the second is from February to June. Most American children begin to go to school when they are five years old. Most students are 17 or 18 years old when they finish middle school.
Middle school students have 4 or 5 subjects each term. After class they do many interesting things.
1．There are two terms in a school year.( )
2．The first term is from January to June.( )
3．March is in the second term.( )
4．Most children begin to go to school at the age of 5. ( )
5．They have 9 subjects in middle school each term. ( )
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
