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【单选题】
设想给你两个大小和质量都一样的粘土小球。其中一个小球被压扁,变成一个薄饼状的薄片。使用如图所示的天平比较这个薄片与剩下的小球,将薄片放在左托盘、小球放在右托盘,以下陈述中哪个是正确的?
A.
天平指针向右偏。
B.
天平指针指向中间。
C.
天平指针向左偏。
D.
不确定
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【多选题】一物体做匀变速直线运动，某时刻速度的大小为3m/s，在1s后其速度大小变为9m/s，在这1s内该物体的（）
A.
位移的大小可能等于6m
B.
位移的大小一定等于3m
C.
加速度的大小可能等于6m/s²
D.
加速度的大小可能等于3m/s²
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【单选题】一物体做匀变速直线运动，某时刻速度大小为4m/s，1s后速度的大小变为10m/s，在这1s内该物（）
A.
位移的大小可能大于10m
B.
加速度的大小可能大于10m/s 2
C.
位移的大小可能小于2.5m
D.
加速度的大小可能小于4m/s 2
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【单选题】听力原文：Man: In the late 1850s Chinese laborers flooded into American and it was not until early 1860's that many more Chinese arrived in California. Was there any improvement for Chinese's living condit...
A.
Early 1830s.
B.
Late 1840s.
C.
Late 1850s.
D.
Early 1860s.
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【简答题】In the early 1850s, with the westward movement, the slavery became a serious political issue enering the unity of the country because _________.A. whether or not slavery would expand into the futu...
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【多选题】一物体做匀变速直线运动,某时刻速度大小为v1=4m/s,1s后的速度大小变为v2=10m/s,在这1s内物体的加速度大小
A.
可能小于4
B.
可能等于6
C.
一定等于6
D.
可能大于l0
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【单选题】In the early 1850s, with the westward movement, the slavery issue became a serious political issue endangering the unity of the country because______.
A.
whether the future states formed as a result of the westward movement should be free or slave would affect the balance of power in the Senate
B.
the south insisted that slavery should be allowed to spread into all new territories
C.
the north refused to let slavery spread into new territories
D.
the north wanted to put an end to slavery
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【单选题】1个字节表示( )位二进制位。
A.
2
B.
4
C.
8
D.
18
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【单选题】一物体做匀变速直线运动,某时刻速度大小为 4m/s,2s后速度大小变为10m/s,则在这2s内该物体的加速度大小可能为 ( )
A.
2 m/s 2
B.
5 m/s 2
C.
6 m/s 2
D.
7 m/s 2
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【单选题】In the early 1850s, with the westward movement, the slavery became a serious political issue endangering the unity of the country because ________.
A.
whether or not slavery would expand into the future states formed as a result of the westward movement would affect the balance of power in the Senate
B.
the South insisted that slavery should be allowed to spread into all new territories
C.
the North refused to let slavery spread into new territories
D.
the North wanted to put an end to slavery
查看完整题目与答案
【单选题】应聘时最漂亮的回答。“请你自我介绍一下自己好吗?”
A.
回答姓名、年龄、爱好、工作经验
B.
回答求职者能否胜任工作的情况
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相关题目：
【多选题】一物体做匀变速直线运动，某时刻速度的大小为3m/s，在1s后其速度大小变为9m/s，在这1s内该物体的（）
A.
位移的大小可能等于6m
B.
位移的大小一定等于3m
C.
加速度的大小可能等于6m/s²
D.
加速度的大小可能等于3m/s²
查看完整题目与答案
【单选题】一物体做匀变速直线运动，某时刻速度大小为4m/s，1s后速度的大小变为10m/s，在这1s内该物（）
A.
位移的大小可能大于10m
B.
加速度的大小可能大于10m/s 2
C.
位移的大小可能小于2.5m
D.
加速度的大小可能小于4m/s 2
查看完整题目与答案
【单选题】听力原文：Man: In the late 1850s Chinese laborers flooded into American and it was not until early 1860's that many more Chinese arrived in California. Was there any improvement for Chinese's living condit...
A.
Early 1830s.
B.
Late 1840s.
C.
Late 1850s.
D.
Early 1860s.
查看完整题目与答案
【简答题】In the early 1850s, with the westward movement, the slavery became a serious political issue enering the unity of the country because _________.A. whether or not slavery would expand into the futu...
查看完整题目与答案
【多选题】一物体做匀变速直线运动,某时刻速度大小为v1=4m/s,1s后的速度大小变为v2=10m/s,在这1s内物体的加速度大小
A.
可能小于4
B.
可能等于6
C.
一定等于6
D.
可能大于l0
查看完整题目与答案
【单选题】In the early 1850s, with the westward movement, the slavery issue became a serious political issue endangering the unity of the country because______.
A.
whether the future states formed as a result of the westward movement should be free or slave would affect the balance of power in the Senate
B.
the south insisted that slavery should be allowed to spread into all new territories
C.
the north refused to let slavery spread into new territories
D.
the north wanted to put an end to slavery
查看完整题目与答案
【单选题】1个字节表示( )位二进制位。
A.
2
B.
4
C.
8
D.
18
查看完整题目与答案
【单选题】一物体做匀变速直线运动,某时刻速度大小为 4m/s,2s后速度大小变为10m/s,则在这2s内该物体的加速度大小可能为 ( )
A.
2 m/s 2
B.
5 m/s 2
C.
6 m/s 2
D.
7 m/s 2
查看完整题目与答案
【单选题】In the early 1850s, with the westward movement, the slavery became a serious political issue endangering the unity of the country because ________.
A.
whether or not slavery would expand into the future states formed as a result of the westward movement would affect the balance of power in the Senate
B.
the South insisted that slavery should be allowed to spread into all new territories
C.
the North refused to let slavery spread into new territories
D.
the North wanted to put an end to slavery
查看完整题目与答案
【单选题】应聘时最漂亮的回答。“请你自我介绍一下自己好吗?”
A.
回答姓名、年龄、爱好、工作经验
B.
回答求职者能否胜任工作的情况
查看完整题目与答案