题目内容

________ is an indispensable part of the festival, held all over the country.

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It has become a popular tradition to eat zongzi and drink realgar wine on the fifth day of the fifth lunar month.

A. 对
B. 错

All the habits in the Dragon Boat Festival have a common purpose——to keep evil spirits away.

A. 对
B. 错

1.下列关于左、右主支气管的描述中错误的是

A. 气管在隆凸处分为左、右主支气管
B. 右主支气管较左主支气管粗、短、直
C. 进行气管插管时，若插人过深时易误插人右主支气管
D. 异物易吸入左主支气管

2.调节呼吸运动，主要依赖血液中哪种化学物质

A. 一氧化碳
B. 碳酸氢根离子
C. 氢离子
D. 二氧化碳
E. 氧气