【单选题】SS4G机车,两位置开关向前或向后,“预备”灯不灭。
【简答题】VOCs 催化燃烧法是在 Pt 、 Pd 等贵金属为催化剂的作用下使废气中的有害组分完全转化为 CO 2 和 。
【简答题】周皮是次生保护组织,由( )、( )和( )组成。
【判断题】为表达出你对应聘职位的浓厚兴趣,求职信可以适当长些。( )
【简答题】If we make good use of the Internet, we will ____________ (受益) a lot from them.
【单选题】Waste gas from cars is one of the major causes of air pollution. Instead of trying to reduce it, can we make good use of it? Now listen to a news report and choose the best answer to each of the quest...
A.
Turning the waste gas from cars into oil.
B.
Turning the waste gas from cars into ink.
C.
Turning the waste gas from cars into fuel.
D.
Turning the waste gas from cars into water.
【多选题】遇到呼吸、心跳骤停的伤病员,应采取哪些措施?