题目内容
衡量医院感染的常常用指标不包括（）。
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Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文： A man got a parrot which could already talk. It had belonged to a sailor and had a big vocabulary. However, the man soon discovered that the parrot mostly know bad words. At first he thought it was funny, but then it became tiresome, and finally, when the man had important guests, the bird's bad words embarrassed him very much.
As soon as the guests left, the man angrily shouted at the parrot, "That language must stop!" But the bird answered him with curses. He shook the bird and shouted again, "Don't use those ugly words!" Again the bird cursed him.
Now the man was really angry. He grabbed the parrot and threw him into the refrigerator. But it had no effect. From inside the refrigerator, the parrot was still swearing. He opened the door and took him out, and again the bird spoke in dirty words and curses. This time, the man opened the door of the freezer, threw the bird into it, and closed the door.
This time there was silence. After two minutes, the man opened the door and removed the very cold parrot. Slowly the shivering parrot walked up the man's arm, sat on his shoulder and spoke into his ear, sounding very frightened:
"I'll be good, I promise... Those chickens in there ...what did they say？"
(27)
《食品卫生法》规定“食品中不得加入药物”，但不包括中草药。（）
Which of the following statements is true？
At what age should people be introduced to jogging as an exercise？
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