As soon as the earthquake ended, people can go back home immediately.
查看答案
听力原文:M: Do you know the date on which Norman's parents are coming back?
W: My brother told me both he and Norman's mother would spend the whole vacation in Venice since Norman is all right staying with his grandparents there.
Q: What can we learn from the conversation?
(18)
A. Norman's parents live in Venice.
B. Norman's grandparents live in Venice.
C. Norman is the woman's niece.
D. Norman is the woman's brother.
A.By using satellite images, maps, etc.B.By studying specific {arming methods.C.By stu
A. By using satellite images, maps, etc.
By studying specific {arming methods.
C. By studying the variation of human population.
D. By analyzing the quality of crops.
听力原文:M: Good morning! I'd like to make a deposit to my savings account, but I've forgotten to bring my identity card.
W: It doesn't matter, sir. Remember to bring this receipt with you the next time you come in, along with your identity card.
Q: Where did the conversation most probably take place?
(13)
A. The woman's MP4 is broken.
B. The man's MP4 has been stolen.
C. The MP4 is not under warranty.
D. They have no telephone number of the MP4's after service.
Avian influenza (禽流感), or "bird flu", is an infectious
disease of animals was caused by viruses that normally infect 【S1】______
only birds and, less commonly, pigs. Avian influenza viruses are
highly species-specific, but have, on rare occasions, crossed the
species barrier to infecting humans. 【S2】______
In domestic poultry (家禽), infection with avian influenza
viruses cause two main forms of disease, distinguished by 【S3】______
low and high extremes of virulence (毒性). The so-called
"low pathogenic (病原的)" form. commonly causes only mild
symptoms and may easily go undetected. The highly pathogenic
form. is far more dramatic. It spreads very rapidly through
poultry flocks, causes disease affecting multiple external organs, 【S4】______
and has a mortality that can approach 100%, often within 48
hours.
Bird flu is not the same as SARS. Because their symptoms 【S5】______
are similar, SARS is caused by completely different viruses.
Influenza viruses also are more infectious and cannot be as
readily contained as SARS isolating people who have the 【S6】______
infection.
The current outbreak of bird flu is different from earlier
ones in that officials have been unable to contain its spread. An
outbreak in 1997 in Hong Kong was the first time the virus had
spread to people, but it was much more quickly contained. A
total of 18 people were hospitalized with six reporting deaths. 【S7】______
About 1.5 million chickens were killed by an effort to remove 【S8】______
the source of the virus.
Unlike the 1997 scare, this outbreak has spread more rapidly
to other countries, increasing its exposure on people in varied 【S9】______
locations and raised the likelihood that the strain will combine 【S10】______
with a human influenza virus.
【S1】