夜间会车时，若对方车辆不关闭远光灯，可变换灯光提示对向车辆，同时减速靠右侧行驶或停车。
参考答案：对
Word came ________ Chang'eⅡ was Launched successfully and carried out the task as expected. [ ]
A. which
B. what
C. when
D. that
为什么要在温室内施用CO2气肥？
