The bias blind spot can prompt a scientist to（）.

根据材料请回答下列各 A Tht Healthy Habits Survey（调查）shows that only about one third of American seniors have correct habits. Here are some findings and expert advice. 1.How many times did you brush your teeth yesterday? ·Finding：A full 33% of seniors brush their teeth only once a day. ·Step：Remove the 300 types of bacteria in your mouth each morning with a battery-operated toothbrush. Brush gently for 2 minutes, at least twice a day. 2.How many times did you wash your hands or bathe yesterday? ·Finding：Seniors, on average, bathe fewer than 3 days a week. And nearly 30%wash their hands only 4 times a day-half of the number doctors recommend. ·Step：We touch our faces around 3,000 times a day-often inviting germs（病菌）to enter our mouth, nose, and eyes.Use toilet paper to avoid touching the door handle. And, most important, wash your hands often with hot running water and soap for 20 seconds. 3. How often do you thind about fighting germs? ·Finding：Seniors are not fighting germs as well as they should. ·Step：Be aware of germs. Do you know it is not your toilet but your kitchen sponge（海绵）that can carry more germs than anything else? To kill these germs, keep your sponge in the microwave for 10 seconds. What is found out American seniors? A. Most of then have good habits. B. Nearly 30%of then bathe three days a week . C. All of then are fighting germs better than expected . D. About one third of them brush their teeth only once a day

A.How
B.How
C.Use

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举办文化、体育等大型群众性活动，违反有关规定，有发生安全事故危险的情况，可以采取（）强制措施。

A.强行带离现场
B.强行驱散
C.责令停止活动
D.立即疏散

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