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SECTION BPASSAGESDirections: In this section, you will hear several passages. Listen to th

SECTION B PASSAGES

Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.

听力原文: Soon it would be the holidays, but before that, there was the end of year exams. All the students had been working hard for some time. If they didn't pass, they would have to take them again in September. There were usually a few who failed, but Rosy was determined not to be one of them. She had worked hard all year, but just before the exams she was working so hard that her sister Betty was worried about her. She was staying up too late. The night before the first exam, Betty insisted that she should have an early night and take a sleeping pill. She promised to wake her in the morning.

As she was falling asleep, Rosy was worried that she might oversleep. Her mind kept jumping from subject to subject. At last, with the help of the pill, she fell asleep. In no time at all, she was sitting in the examination hall, looking at the paper. She couldn't answer any of the question. Everyone round her was writing pages and pages. However hard she thought, she couldn't find anything to write about. She kept looking at her watch. Time was running out. There was only an hour left. She started one question, wrote two sentences, gave up and tried another one. With only half an hour left she wrote another two sentences. By this time she was so worried that she started crying. Her whole body shook. It shook so much that it woke her up. She was still in bed and it had all been a terrible dream. A minute later, Betty called her name.

Why did Rosy study until very late at night?

A.She wanted to pass the exams.

B.She had not worked very much.

C.She wanted her sister to worry about her.

D.All the students were working hard.

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第1题

下列关于空气净化的叙述错误的是()

A.超净净化经过初级、中级过滤器即可满足要求

B.洁净级别的 A 级比 D 级含尘少

C.洁净室的空气净化技术一般采用空气过滤的方法

D.A 级的洁净度区域必须采用层流的气流

E.高效空气净化系统采用初效、中效和高效三级过滤装置

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第2题

洁净室空气净化标准正确的是()

A.一般净化可采用初效过滤器

B.世界各国的净化度标准都是统一的

C.单位体积空气中所含粉尘的个数(计数浓度)或千克量(重量浓度)

D.超净净化只需经过初、中效过滤器即可满足要求

E.净化方法可分两类:一般净化和超净净化

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第3题

关于制药环境的空气净化,其层流型净化技术常用于100级洁净区B.100000级洁净区C.10000级洁净区D关于制药环境的空气净化,其层流型净化技术常用于100级洁净区 B.100000级洁净区 C.10000级洁净区 D.30000级洁净区 E.1000级洁净区

A.100级洁净区

B.100000级洁净区

C.10000级洁净区

D.30000级洁净区

E.1000级洁净区

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第4题

关于空气净化技术的叙述错误的是A、层流洁净技术可以达到100级B、空气处于层流状态,室内不易积尘C、

关于空气净化技术的叙述错误的是

A、层流洁净技术可以达到100级

B、空气处于层流状态,室内不易积尘

C、层流净化分水平层流净化和垂直层流净化

D、层流净化区域应与万级净化区域相邻

E、洁净室内必须保持负压

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第5题

洁净室空气净化标准正确的是A、单位体积空气中所含粉尘的个数(计数浓度)或公斤量(重量浓度)B、净化

洁净室空气净化标准正确的是

A、单位体积空气中所含粉尘的个数(计数浓度)或公斤量(重量浓度)

B、净化方法可分两类:一般净化和超净净化

C、一般净化可采用初效过滤器

D、世界各国的净化度标准都是统一的

E、超净净化只需经过初、中效过滤器即可满足要求

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第6题

洁净室空气净化标准正确的是A、单位体积空气中所含粉尘的个数(计数浓度)或千克量(重量浓度)B、净化

洁净室空气净化标准正确的是

A、单位体积空气中所含粉尘的个数(计数浓度)或千克量(重量浓度)

B、净化方法可分两类:一般净化和超净净化

C、一般净化可采用初效过滤器

D、世界各国的净化度标准都是统一的

E、超净净化只需经过初、中效过滤器即可满足要求

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第7题

关于空气净化技术叙述错误的是A.层流洁净技术可以达到100级B.空气处于层流状态,室内不易积尘C.层

关于空气净化技术叙述错误的是

A.层流洁净技术可以达到100级

B.空气处于层流状态,室内不易积尘

C.层流净化分为水平层流和垂直层流净化

D.层流净化区域应与万级净化区域相邻

E.洁净室内必须保持负压

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第8题

关于空气净化技术叙述错误的是A.层流洁净技术可以达到100级B.空气处于层流状态,室内不易积尘C.层

关于空气净化技术叙述错误的是

A.层流洁净技术可以达到100级

B.空气处于层流状态,室内不易积尘

C.层流净化分为水平层流和垂直层流净化

D.层流净化区域应与万级净化区域相邻

E.洁净室内必须保持负压

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第9题

关于空气净化技术的叙述错误的是A.层流洁净技术可以达到100级B.空气处于层流状态,室内不易积尘C.

关于空气净化技术的叙述错误的是

A.层流洁净技术可以达到100级

B.空气处于层流状态,室内不易积尘

C.层流净化分为水平层流净化和垂直层流净化

D.层流净化区域应与万级净化区域相邻

E.洁净室内必须保持负压

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第10题

下列关于空气净化的叙述正确的是A、局部净化是彻底消除人为污染,降低生产成本的有效方法B、按照要

下列关于空气净化的叙述正确的是

A、局部净化是彻底消除人为污染,降低生产成本的有效方法

B、按照要求一般将生产厂区划分为生产区、控制区、洁净区

C、洁净级别从100~100000级,尘粒数逐渐减小

D、净化度标准只考虑尘粒个数,不考虑尘粒大小

E、只要进入的空气保证洁净,层流和紊流都可以达到超净目的

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