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阅读下面的材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

I’ve noticed many people having a cold, and it's not even officially fall yet. Why does the cold occur more frequently during the fall and winter 1. (month)? It’s actually not the cold weather 2. (it) that causes the cold. But rather, it is most likely to be caused by people spending 3. (much) time indoors close to each other, making the spread of germs (微生物) more readily. This is another reason 4. children in day care or school are more likely to pick up the cold.

When I worked in a doctor’s clinic a few years back, it was one of the 5. (lead) reasons to visit the doctor in fall and winter. 1 billion people suffer from the cold each year. As a result, school 6. (absent) is frequently reported, with around 22 million days annually.

How can you avoid getting a cold? Among the commonly 7. (recognize) tips, washing your hands is 8. most important one. The cold is spread either by directly touching infected (受感染的) secretions (分泌物), or by taking 9. the airborne particles (悬浮粒子). Also, cold and flu viruses get into the body via the eyes, noses, or mouth. So, 10. (try) to avoid touching your face, especially without first washing your hands.

高三英语语法填空中等难度题

少年,再来一题如何?
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