问题 单项选择题

下面哪一项个人防护措施不符合ABSL-2动物实验室的要求?()

A.在动物实验室中应穿着工作服或罩衫等防护服。离开动物实验室时,防护服必须脱下并留在动物实验室内。不得穿着外出。用过的工作服应先在动物实验室中消毒,然后统一洗涤或丢弃。 

B.在操作感染动物和传染性材料时应戴手套。如可能发生感染性材料的溢出或溅出,宜戴两副手套。不得戴着手套离开动物实验室。工作完全结束消毒后方可除去手套。一次性手套不得清洗和再次使用。 

C.进行容易产生高危险气溶胶的操作时,包括对感染动物和鸡胚的尸体、体液的收集和动物鼻腔接种,都要同时使用生物安全柜或其它物理防护设备和个人防护器具(例如口罩和面罩)。 

D.工作人员必须穿带有生命支持系统的正压防护服。感染动物应该饲养在局部物理防护的系统中(如把开放的笼子放在负压层流柜或负压隔离器中)。

答案

参考答案:D

单项选择题
阅读理解

阅读理解。

                                                Buy Tickets Online-No Waiting in Line

     London's best attractions can get very busy during weekends and holiday seasons. For example, there is

always a long line in front of Madame Tussauds Waxwork Museum (杜莎夫人蜡像馆)! It is highly

recommended that you buy tickets online to beat the crowd and they cost less!

                                            Tickets for Madame Tussauds( Flexible,$25)

      Madame Tussauds Waxwork Museum is the world-famous collection of wax figures of famous people.

Mix with the famous at the world-famous collection of wax figures. A must-see attraction for London. Beat

the long queue at the gate-buy tickets online!

                                    Tickets for Tower of London plus River Cruise ( 4. 5 hours,$66 )

     Tower of London is one of the world's most famous and spectacular fortresses (壮观的堡垒 ). Discover

its 900-year history as a palace, fortress, and prison. A river cruise on the Thames, a visit to Tower of London

and drop off at St. Paul's Cathedral. If you only have a day in London, take one of the London's bus tours. If

you have kids, they will love it! 

                                                     Tickets for London Duck Tours( 80 mins,$30)

     Don't miss this exciting trip created for visitors to London, enjoying the sights by river! No one has ever

seen anything like it before on the streets of London, let alone the river! It is more than just a sightseeing

tour-it's an adventure. Don't miss this one!

                                                 Tickets for Discovering London(9 hours,$100)

      London's Best-selling Tour! A day bringing history, pageantry (壮观) and sights of London to life including

a Pub lunch and Thames Cruise. Explore the best of London with a morning tour of the world's most famous

city. Your experienced guide will take you through Westminster Abbey, Changing of the Guard at Buckingham

Palace, and Tower of London.

1. The underlined word "recommended" can best be replaced by ______.

A. debated

B. accepted

C. suggested

D. forbidden

2. If you want to visit St. Paul's Cathedral, you may choose _____.

A. Tickets for Madame Tussauds

B. Tickets for Tower of London plus River Cruise

C. Tickets for London Duck Tours

D. Tickets for Discovering London

3. According to the passage, if you have one day in London, you'd better travel  _____.

A. on foot

B. by boat

C. by taxi

D. by bus

4. Where is the passage most probably taken from?

A. A website advertisement.

B. A newspaper report.

C. A textbook on tourism.

D. A geographical book.