【名词&注释】
匀速直线运动(uniform linear motion)、艺术价值。
[单选题]下面对文段内容理解有误的一项是( )
A. 第②段介绍了华表的来历。
B. 第③段介绍了华表的形制。
C. 第④段主要介绍了华表的应用场所。
D. 第⑤段介绍了华表原名和艺术价值。
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学习资料:
[单选题]Aten-year-oldboycan’tgototheWaterWorldSwimmingPool.
A. onSaturday
B. onSunday
C. onWednesdayafternoon
D. onWednesdaymorning
[单选题]45.
A. ran
B. walked
C. fell
D. jumped
[单选题]20.
A. Yes
B. No
C. That’ s good
D. That ‘ s ok
[单选题]12. The writer was surprised that _________ .
A. the woman was sitting by her window
B. the woman's window was clean
C. the woman did cleaning in the afternoon
D. the woman's window was still terrible
[单选题]甲、乙两物体都作匀速直线运动,已知甲、乙两物体运动时间之比4:5,通过的路程之比为3:2,则甲、乙两物体运动速度之比为( )
A. 6:5
B. 15:8
C. 5:6
D. 8:15
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