在美国，当电视广告崛起以后，报纸与电视之间展开了一场广告争夺战，以最大限度地吸引广告

高热()
超高热()

A.37.5℃～38℃

B.39.1℃～41℃

C.38.1℃～39℃

D.>410C

E.39.1℃～40℃

完成句子。

1. We often begin our speech with "_____ (女士们) and gentlemen!".

2. The Smiths just came back from Qingdao. They had a lot of fun _____ (旅行) there.

3. He does everything well because he is always _____ (严肃的,认真的) about what he does.

4. He put down the school bag and _____ (扫除) the floor of the room.

5. Can I use your dictionary? _____ (我的) is at home.

6. They usually buy lots of books _____ (虽然) they are not rich.

脑内肿瘤瘤周水肿属

A．间质性水肿

B．血管源性水肿

C．细胞毒性水肿

D．梗阻性水肿

E．渗出性水肿

保养规程

焊条电弧焊机额定负载持续率一般为（）。

A.35%

B.60%

C.80%

D.100%