Passage Three Questions 33 to 35 are based on the passage you have just heard.
A. Children won’t grow up creative without experimenting freely.
B. The present American education is poor.
C. Private schools maintain a higher level than public schools.
D. Americans are more innovative than other people in the world.
Questions 19 to 22 are based on the conversation you have just heard.
At 7:30 next Saturday.
B. At 7:30 next Sunday.
C. At 9:30 next Sunday.
D. At 10:30 next Sunday.
为何患甲、乙、丙型血友病和缺乏维生素K时会发生凝血功能障碍
交感神经和副交感神经主要对心肌、平滑肌和______的活动进行调节。
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