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Fangfang：Let's meet my friend.
Lily：OK.
Fangfang： 1．
Linlin：Nice to see you.
Lily： 2．
Linlin：Are you from the U.K.?
Lily：No. 3．
Linlin：Do you have many subjects in your school?
Lily：Yes. 4．
Linlin：How many PE lessons do you have in a week?
Lily： 5．
A．I'm from the U.S.
B．This is Linlin. This is Lily.
C．We have many subjects at school.
D．We have three each week.
E．Nice to see you, too.
A．I'm from the U.S.
B．This is Linlin. This is Lily.
C．We have many subjects at school.
D．We have three each week.
E．Nice to see you, too.
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
