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On April 16, Shenzhou XIII astronauts safely came back to Earth.
The landing set a new speed record. When Shenzhou XII came back
It landed upright. This landing position is not often seen in China’s space light history. Landing upright makes sure that astronauts have the
The astronauts felt good after landing.
| A．for | B．to | C．from | D．with |
| A．return | B．returning | C．returned | D．to return |
| A．softer | B．more soft | C．soft | D．softest |
| A．But | B．So | C．And | D．Or |
| A．our | B．their | C．his | D．your |
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
