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1．你要保守秘密，否则这会使他不高兴。
You should ________ ________ or this will _________ him _________.
2．莉莉的圆脸使她看上去很可爱。
Lily’s _________ _________ makes her _________ _________.
3．我投票支持Sarah，因为她常与别人分享她的快乐。
I will ________ ________ Sarah because she often _________ _________ with others.
4．当我朋友不高兴时，我会尽力帮助他们。
When my friends are sad, I will _________ _________ _________ _________ help them.
5．滑雪和潜水一样危险。
Skiing is _________ __________ __________ diving.
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
