About how many team members were out of the second round of the activity?

单选题

About how many team members were out of the second round of the activity?

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单选题

How does Kevin feel about Christines garden?

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判断题

您想充多少钱?How many do you want?( )

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材料题

kill一children if they fall onto the ends of the handlebars（车把）.So a team of engineers is redesigning it to make it safer.Kristy Arbogast,a bioengineer at the Childrens Hospital of Philadelphia in Pennsylvania,began the project with her colleagues.The cases they reviewed about serious abdominal（腹部的）injuries in children in the past 30 years showed that more than a third were caused by bicycle accidents.The task was to identify how the injuries occurred and come up with some countermeasures.she say

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单选题

--- How long_____ you _____ the sports car? --- About three weeks.

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