问题 多项选择题

在填料吸收塔中用纯溶剂吸收某混合气体中的溶质组分。已知进塔混合气中溶质的组成为6%(体积分数,下同),吸收尾气中溶质的组成为1.2%,则溶质的吸收率为( )。

A.(B)80.0%

答案

参考答案:A

完形填空

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 !

单项选择题