可引起杵状指的疾病是（）。 A.缺铁性贫血 B.亚急性感染性心内膜炎 C.类风湿关节

0.25时=______分．

请介绍新型纤维中粘胶、天丝、芳纶任一种纤维的不同于其他化纤的纤维特性，在纺纱中哪个工序易出问题，以及纺纱过程中注意事项。（可自由发挥，但是重点部分必须有）

Man: Though we didn't win the game, we were satisfied with our performance.Woman: You did a great job, you almost beat the world champions. It's a real surprise to many people.Question: What do we learn from this conversation

A．They both enjoyed watching the game.

B．The man thought the results were beyond their expectations.

C．They both felt good about the results of the game.

D．People were surprised at their wining the game.

为了消除各种加工过程中所引起的内应力，最好选用（）。

A、完全退火

B、球化退火

C、再结晶退火

D、去应力退火

“世俗乐其浅近，相与宗之，而生民之祸亟矣”中“亟”意思是（）

A.频繁

B.急躁

C.迫切

D.赶快

E.加重