What makes a virus come tolife?-考呗网题库移动版

单选题 What makes a virus come tolife?

A．A large chemical molecule．
B．A dead chemical．
C．An active virus．
D．A living cell．

参考答案D

解析: 细节题。题干意为“是什么让一个病毒有了生命?”。由文章第一段第二句“Yet，when a virus is placed on a living thing it comes to life．”可知病毒附着一个生命体上，病毒就是有生命的，一个有生命的细胞是一个生命体。故D为正确答案。

点击查看答案进入在线模考

你可能喜欢

单选题 What do the underlined words“a grey area”in paragraph 2 refer to?

A．The discovery of unknown chemicals．
B．Viruses in a state of living and not living．
C．A difficult question unsolved about viruses．
D．The colour of viruses between black and white．

点击查看答案进入在线模考

单选题 Which of the following is the smallest in size?

A．Viruses．
B．New filters．
C．Living cells．
D．Chemical molecules．

点击查看答案进入在线模考

单选题 根据下面资料，回答题。
Good Value Britain
TRAVELING IN SCOTLAND
Scotland Travelpass gives you the freedom to use trains, buses and boats in Scotland as much as you like for a fixed period of time, at any time. The pass comes in a helpful pack, with timetables and maps along with discount cards, and is available for either four days (￡89) or eight days(￡119).
For more details, visit www. scotral, co. uk or, in the UK, Tel: 08457550033
POUNDS OFF LONDON
The capital offers a host of .sights, experiences and wonderful memories and one of the best money-saving plans is the London Pass. This allows you free entry for more than 60 attractions.
When you buy the card you receive a 132-page colour guidebook and information on the latest built-in discounts on restaurants and tours. You can also have fast track entry at some of the busiest at-tractions, to jump those lines. Passes are available for one to six days or you can include a travel pass for public transport within zone 1-6 for ￡82. Order your pass on the credit card line, Tel:
(UK) 08702429988, or buy online at www. londonpass, com.
The London for Less discount card comes in a pack with guidebook and a handy fold-out street map. For ￡ 12.95 London for Less gives you discounts, from 20-50%, at more than 300 different London attractions, including shows, concerts and restaurants. You can also get discounts on eve-rything from clothes to money exchange. You can buy your London for Less card from some major bookshops in the capital.
BRITAIN´S HERITAGE FOR FREE
The Great British Heritage (GBH) Pass gets you into 600 of Britain´ s finest historic houses,castles and gardens and is available for four, seven,15 days or a month. This year even more at-tractions are open to GBH cardholders. Visit www. visitbritain, com or go to the Britain Visitor Centre for more information.
With Scotland Travelpass，you can__________．

A．use Internet service
B．buy discounted maps
C．have free use of public transport
D．enjoy free entry to many museums

点击查看答案进入在线模考

hot热门搜索

你可能喜欢

延伸阅读