列车运行速度超过120阳山的区段，应设置两段接近区段，在第一接近区段和第二接近区段的分界处，设（）信号机。
参考答案：接近
It is 30 years ______ China performed the Reform and Opening-up policy ______ has had a great effect not just on China, but also on the world.
A．that; since
B．since; 不填
C．when; that
D．since; that
下列产品中，不属于银行衍生业务产品的是（）。
A.远期契约
B.期货
C.互换
D.代理保险
