搜索
B. 
C. 
D. 
E. 
1．China’s first Mars rover (火星车) Zhu Rong arrived (到达) the surface (表面) of the Mars and began (开始) working on May 22,2021. （
2．It’s our party’s 100th birthday this year. （
3．China is the world’s largest user (最大用户) of mobile payment services (移动支付服务). （
4．5G network will bring us faster transmission (更快的传输). （
5．Yuan Longping is a great Chinese scientist (科学). （
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
