预聚物输送系统热媒系统故障不会造成太大影响。()
参考答案:错
解析:预聚物输送系统热媒系统故障会造成预聚物输送时温度降低,有可能造成管线或过滤器的堵塞,还有可能损坏预聚物输送泵。
情景选择。
1. 当你要说:“小明正在摘树叶。”时,应说:[ ]
A. Xiaoming picks up leaves.
B. Xiaoming is picking up leaves.
C. Xiaoming is picking leaves.
2. 当你要说:“他们在树林里。”时,应说:[ ]
A. He is in the woods.
B. They are in the wood.
C. They are in the woods.
3. 当你要说:“我正在观察昆虫。”时,应说:[ ]
A. I'm watching insects.
B. I'm looking insects.
C. I'm seeing insects.
4. 当你要说:“蚂蚁正在吃什么?”时,应说:[ ]
A. What do you eat ants?
B. What are ants eating?
C. What are the ants eating?
5. 当你要说:“他正在下棋吗?”时,应说:[ ]
A. Is he playing chess?
B. Does he play chess?
C. He is playing chess.
男性,56岁,下肢静脉高位结扎及剥脱术后4小时,因站立排尿,小腿部伤口处突然出血不止,紧急处理方法是()
A.指压止血
B.用止血带绑扎
C.站立位包扎
D.钳夹结扎
E.平卧,抬高患肢,加压包扎