1.n ce (友好的)
A.
![](http://static.xuejinqu.com/qimg/e24/e240d31a72a0955630b492edd9081cc2.png)
![](http://static.xuejinqu.com/qimg/560/5603d89549cc158376f5e02f3c92ddc0.png)
![](http://static.xuejinqu.com/qimg/327/327325995fbea2cae24315bc07810500.png)
2.cl ver (聪明的)
A.
![](http://static.xuejinqu.com/qimg/3fc/3fcd0f809a5af8eb72be99d515363f35.png)
![](http://static.xuejinqu.com/qimg/91d/91d013f612096621db5364c2adf55d99.png)
![](http://static.xuejinqu.com/qimg/02e/02e22b75b37a29bdf44dfdc120666078.png)
3.answ r (接电话)
A.
![](http://static.xuejinqu.com/qimg/b14/b144246594c84ae6f153370f1834b5bd.png)
![](http://static.xuejinqu.com/qimg/faf/faf720286409dad5b0ac53a5a3418da4.png)
![](http://static.xuejinqu.com/qimg/a01/a01aebed3159a949c9abbf65a0ab8a88.png)
4.c ll (电话)
A.
![](http://static.xuejinqu.com/qimg/02e/02e22b75b37a29bdf44dfdc120666078.png)
![](http://static.xuejinqu.com/qimg/b14/b144246594c84ae6f153370f1834b5bd.png)
![](http://static.xuejinqu.com/qimg/483/4837336c3c4c029d31506662456693e9.png)
5.b d (不好的,坏的)
A.
![](http://static.xuejinqu.com/qimg/f07/f07baf24f90a80f1dd1cf75889f8f855.png)
![](http://static.xuejinqu.com/qimg/02e/02e22b75b37a29bdf44dfdc120666078.png)
![](http://static.xuejinqu.com/qimg/981/9814e0750989d518e833f6e55fe1db3f.png)
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)