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2021-2022学年度第15期总第852期 (2版)

Variant brings more challenges (Page 2)

 

I. Fill in the chart.

What?	Omicron - a “variant of concern”   Basic information: it was first detected in 1. ____________; infections have increased rapidly.
Why is it more transmissible?	It has more spike protein mutations concentrated in the area that 2. ____________________.
What are the symptoms like?	They are extremely “mild”, such as fatigue.
How to tackle it?	Many countries and regions rushed to fight its spread. Vaccine makers across the world are working to 3. _____________.
How do people think of it?	It highlights the continued threat posed by an evolving virus to 4. __________________; It may pose more challenges to pandemic prevention and control efforts.

 

II. Grammar.

Past participle as the attribute:

·The WHO warned that global risks caused by the new variant were “very high”.

·Omicron has more spike protein mutations concentrated in the area that interacts with human cells.

·Evidence suggests it carries an increased risk of re-infection compared with other variants.

 

Find the similar structure from the text.
_________________________________________________________________
___________________________

 

III. Guess the meanings of the following expressions.

be regarded as _________________

interact with _________________

contract COVID-19 _________________

ban sb from doing _________________

tighten border controls _________________

issue travel restrictions _________________

pose threat to _________________

参考答案：

I. 1. South Africa; 2. interacts with human cells; 3. upgrade their COVID-19 vaccines against Omicron; 4. the world’s recovery from the pandemic

II. 1. Experts describe symptoms linked to Omicron as “extremely mild”.

2. As The Wall Street Journal noted, its discovery “highlights the continued threat posed by an evolving virus to the world’s recovery from the pandemic”.

III. 被视为；

相互作用；

感染新冠；

禁止某人做某事；

加紧边境控制；

颁布旅行禁令；

造成威胁

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