易侵犯面神经
A.胸透示中下野点片状阴影B.胸片示两肺满布粟粒状阴影C.胸片示肺门圆形致密阴影D.胸片示哑呤状双极阴影E.胸透示肺纹理增粗
参考答案:A
通过离心使药液中固体与液体或两种不相混溶的液体,产生大小不同的离心力而达到分离的方法是()
A.离心分离法
B.水提醇沉法
C.滤过分离法
D.沉降分离法
E.吸附澄清法
根据句意及单词首字母完成单词。
1. It's raining heavily outside. Please take an u_____ .
2. When I left my home, I forgot to say “G_____"to my parents.
3. Tom looked t_____his paper before he handed it in.
4. We use the e_____to go up and down the building.
5. You can buy books in the b_____ .