临时工程及附属生产设施应避开（）处所。
A、易塌方
B、泄洪河道
C、易遭雷击
D、不良地质
参考答案：D
If what you are teaching doesn’t _____ to your students, your students will gradually lose interest in it.
A．attract
B．inspire
C．appeal
D．interest
离子色谱的检测器分哪几个大类？简述每类检测器中包括哪几种？
