15. My mother manages the entire (), including taking care of my grandfather. A. family B. home C. house hold D. household ...

9. He has been a valued () of our company for many years. A. customer B. professor C. businessman D. client ...

10. The Romans held a celebration at the beginning of winter because(). A. that was harvest time B. it is in the latter part of the year C. they are religious people D. the gods and goddesses are waiting for their sacrifice ...

3. Examples of extreme weather are(). A. drought B. flood C. landslide D. hurricane ...

18. I was sick () his way of speaking. A. with B. off C. against D. of ...

11. Smog is harmful to human health, as the () flowing in the air will do damage to the immune system. A. things B. objects C. chemicals D. matters ...

4. () is reported in the newspaper is that seventeen climbers have been killed in the snow tsunami. A. It B. As C. What D. That ...

9. In the future, we don't have to worry A##Bout nutrition and we can have anything as we like. A. 错误 B. 正确 ...

4. Christmas is always observed on December 24th. A. 错误 B. 正确 ...

9. Modern “disease detectives” include (). A. microbiologists B. epidemiologists C. criminal detectives D. medical scientists ...