什么是流感病毒引起的急性呼吸道感染，是一种传染性强、传播速度快的疾病。
A. 手足口病
B. 流行性感冒
C. 诺如病毒感染
D. 肺结核
常见传染病的传播途径包括？
A. 直接传播
B. 气溶胶传播
C. 接触传播
When you receive someone else’s business card, you should________.
A. immediately put it into your back pocket
B. immediately pass them your business card
C. look at the card but say nothing about it
D. look at the card and acknowledge it
Which of the following is appropriate business dining etiquette?
A. Taking your seat from the left side of the chair.
B. Leaning back in the chair.
C. Putting your elbows on the table.
D. Putting your cellphone on the table.
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