题目内容

Listen to the statement and circle the appropriate letter. According to the statement, the energy from fossil fuels takes up __________ of U.S.’s total energy.

A. 85%
B. 99%
C. 90%

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Listen to the conversation and choose the right answers. According to the conversation, which statements are true

Ailie will choose to give a participatory lecture.
B. Ailie has no courage to challenge difficult things.
C. Ailie’s lecture must not surpass 40 minutes.
D. The professor’s lectures often make audiences sleepy.
E. The professor has many experiences giving lecture.

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在考生文件夹下，完成如下操作：(1)创建一个名为Sproject的项目文件；(2)将考生文件夹下的学生数据库SDB添加到新建的项目文件中；(3)打开学生数据库SDB，将考生文件夹下的自由表TEACHER添加到学生数据库SDB中；为教师表TEACHER创建一个索引名和索引表达式均为教师号的主索引(升序)；为班级表CLASS创建一个索引名和索引表达式均为班主任号的普通索引(升序)；(4)通过"班级号"字段建立班级表CLASS和学生表STUDENT表间的永久联系。通过班级表CLASS的"班主任号"字段与教师表TEACHER的"教师号"字段建立班级表CLASS和教师表TEACHER间的永久联系。

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Listen to the conversation and circle the appropriate letter. Which of the rules about slides preparation is right

A make complex slides
B. simplify slides as possible as you can
C. cover all the details in slides

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Listen to the conversation and choose the right answers. What are the features of multimedia lectures

A. much information
B. lecturer-centred
C. flexible structure
D. well organized
E. little or no preparation needed

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Listen to the statement and circle the appropriate letter. According to the statement, the energy from fossil fuels takes up __________ of U.S.’s total energy.

A. 85% B. 99% C. 90%

Listen to the conversation and choose the right answers. According to the conversation, which statements are true

Listen to the conversation and circle the appropriate letter. Which of the rules about slides preparation is right

Listen to the conversation and choose the right answers. What are the features of multimedia lectures

A. 85%
B. 99%
C. 90%