What can we learn from the first paragraph（）
A dolphin is a special kind of fish.
B. Dolphins can"t swim very quickly.
C. Dolphins can live only in the sea.
Dolphins produce their babies on land.
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4（）
A. where
B. when
C. while
D. how
3（）
A. set
B. prepare
C. make
D. give
Halloween is a holiday that （）.
A. is celebrated as a children"s day all over the world
B. is for giving strange costumes to friends
C. comes from a religious holiday
D. is celebrated by UNICEF
上课伊始，教师直接阐明学习目标和要求以及本节课的教学内容和教学安排，通过简短的语言叙述、设问等引起学乍的关注，使学生迅速地进入学习情境。这是（ ）
A. 直接导入
B. 直观导入
C. 故事导入
D. 实验导入
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