双（多）金属重整催化剂由于它的活性高，稳定性好，因此它的操作压力要比铂金属催化剂的压力的控制要低得多。
参考答案：对
― There ________ a basketball match between Class Three and our class in ten minutes.
― Great. Let’s go and cheer (欢呼) for them.
A．is going to be
B．is going to have
C．will have
D．shall have
在有H2S聚集场所作业时应佩戴（）。
A、防毒面具
B、空气呼吸器
C、安全带
D、安全绳
