矿石的种类很多,除了金属矿石与非金属矿石之分外,在金属矿石中按金属存在的化学状态可分为()矿石、()矿石、()矿石、()矿石。
参考答案:自然;硫化;氧化;混合。
附加题 (每空1分,共10分)
下周六是刘梅的生日,她将要举行一个生日聚会,她还邀请了她的一些朋友来参加。请根据提示,把下面的短文补充完整。
1.林涛因为牙痛,不得不看牙医,医生要他一天吃三次药 。
2.汤姆感冒了,只有呆在家,好好休息 。
3.李磊和杰姆能参加,他们住在同一条街,离刘梅家大约12公里 ,他们先乘地铁,然后步行 ,大约花35分钟 。
4.露西和丽丽的家就在附近,约2公里远,她们骑自行车 ,要花10分钟。
Next Saturday is LiuMei’s birthday ,and she wants to have a _小题1:______________on Saturday evening ,she asks some of 小题2: to come to her party . LinTao 小题3: and he has to see the dentist in the evening ,and the doctor asks him to take the medicine 小题4: and have a good rest . But Lilei 、Jim 、Lucy 、Lily and LiuMei’s relations can come to the birthday ,Lilei and Jim live on the same street,it is about _______小题5:____ from the street to LiuMei’s house ,so they must 小题6: _____ first, then walk to LiuMei’s house, it takes about 小题7: .Lucy and Lily live not far from LiuMei’s ,it is about 小题8: ,so the twins 小题9: and it takes ten minutes. And many relations(亲戚) will come to the party ,they are going to give LiuMei many nice presents for her birthday .
The party will be wonderful !
纤维支气管镜检查常见并发症有()
A.麻醉药物过敏
B.喉痉挛或喉头水肿
C.严重支气管痉挛
D.术后发热
E.气道出血