______________、________、_________、________为肺的气体交换部分。
参考答案:呼吸细支气管、 肺泡管 、肺泡囊、 肺泡
根据对话内容,在每个标有题号的空白处填入一个适当的句子,使对话完整,合乎情景。
D: Good morning. What's your trouble?
W: I don't feel very well.
D: 1.
W: Yes, I have. My temperature is a little higher.
D: Open your mouth say "Ah".
W: Aahh.
D: 2.
W: Ever since last night.
D: Did you sleep well?
W: No. I was very tired last night.
D: Oh, I see. 3.
W: Can you tell me how I got a cold?
D: Maybe you overtired (使过度疲劳) yourself.
W: I think so. I have too much work to do every day. Do I have to stay at home?
D: Yes. You'd better stay at home for two or three days.
W: 4.
D: No. I don't think it is too serious. But you really need a good rest and take this medicine.
W: 5.
D: Three times a day.
W: OK. Thank you.
“手拉手迎接精彩世博,肩并肩保护知识产权”是2009年上海开展知识产权宣传周活动的主题,彰显了中国政府万众一心携手迎接2010年上海世博会、众志成城并肩协作保护知识产权的坚定决心。下列对知识产权认识正确的是()
A.不是商品,因为它尽管是劳动产品,但并不用于交换
B.是商品,因为既有使用价值,又能满足不同人的需要
C.不是商品,因为它只有使用价值,没有价值
D.是商品,因为它是使用价值和价值的统一体