下面哪些内容属于日常维护范畴（） A.定期巡回，特殊巡回，护线宣传和对外配合 B.路

简述记注院与起居注。

如果Hb31～60g/L，则贫血程度为（）

A.极轻度

B.轻度

C.中度

D.重度

E.极重度

典型心绞痛发作时，面对缺血区的导联ST段的改变为（）

A.延长

B.缩短

C.不变

D.下移

E.抬高

小题1: One of the rules is that all the students must pay a___________ to their teachers in class.

小题2:Fall is another way of saying a______________.

小题3: My mother p_______ coffee to tea. But I like tea a lot.

小题4:I won’t go to his birthday party u________ I am invited.

小题5:The old man lives alone and aren’t happy these days. Let’s go to see him and c________ him up.

小题6: There will also be exciting things waiting for you a____________ with difficulties.

小题7:It’s dishonest to try to c___________ one’s mistake with lies.

小题8: I want to take care of my health, so I m_____________ eat fruit and vegetables.

小题9:–W________ backpack is it?

– I don’t know. Let’s ask them and find the owner.

小题10: My watch is broken. I’ll get it m__________ this weekend.

堆密度是指()。

A．真密度

B．颗粒密度

C．松密度

D．绝干密度

E．比密度