皮皮学，免费搜题
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【单选题】
棱镜分视检测右眼前加3△BU，左眼前加3△BD，若被检者述两行视表清晰度相同时应()。
A.
将右侧球镜增加+0.25D
B.
将左侧球镜增加+0.25D
C.
将右侧球镜增加-0.25D
D.
将左侧球镜减少-0.25D
E.
不需调整
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举一反三
【单选题】下拉视图菜单下的重画(redrawall)命令作用是
A.
刷新当前视窗
B.
刷新模型空间中的所有视窗
C.
重新计算所有对象的显示精度
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【简答题】Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000km, but sound travels only 344m. You can get some idea of this differe...
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【单选题】Because of the great speed of light, we see a lamp light up almost at the exact moment ______.
A.
we turn it on
B.
when we turn on it
C.
that we turn on it
D.
which we turn it on
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【简答题】听力原文： Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000 km, but sound travels only 0. 334 kin. You can get some idea of...
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【单选题】十进制数77.25转换成二进制数是( )。
A.
l001101.01
B.
1101011.01
C.
1010101.01
D.
1001110.11
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【判断题】皮影戏与时俱进，《给你一点颜色》就是其曾与摇滚结合的音乐作品。
A.
正确
B.
错误
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【单选题】听力原文： Light travels at a speed that is about a million times faster than the speed of sound. In one second, light travels about 300, 000 km, but sound travels only about 334 meters. You can get some i...
A.
Light speed is millions of times faster than sound speed.
B.
Light speed is a million times slower than sound speed.
C.
Light speed is about millions of times faster than sound speed.
D.
Light speed is about a million times faster than sound speed.
查看完整题目与答案
【判断题】皮影戏与时俱进,《给你一点颜色》就是其曾与摇滚结合的音乐作品。A. 对 B. 错
A.
正确
B.
错误
查看完整题目与答案
【判断题】皮影戏与时俱进,《给你一点颜色》就是其曾与摇滚结合的音乐作品。
A.
正确
B.
错误
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【单选题】Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000km. But sound travels only 344m. You can get some idea of this differe...
A.
have to travel a greater distance
B.
move less quickly
C.
travel much quickly
D.
be less powerfull
查看完整题目与答案
相关题目：
【单选题】下拉视图菜单下的重画(redrawall)命令作用是
A.
刷新当前视窗
B.
刷新模型空间中的所有视窗
C.
重新计算所有对象的显示精度
查看完整题目与答案
【简答题】Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000km, but sound travels only 344m. You can get some idea of this differe...
查看完整题目与答案
【单选题】Because of the great speed of light, we see a lamp light up almost at the exact moment ______.
A.
we turn it on
B.
when we turn on it
C.
that we turn on it
D.
which we turn it on
查看完整题目与答案
【简答题】听力原文： Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000 km, but sound travels only 0. 334 kin. You can get some idea of...
查看完整题目与答案
【单选题】十进制数77.25转换成二进制数是( )。
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l001101.01
B.
1101011.01
C.
1010101.01
D.
1001110.11
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【判断题】皮影戏与时俱进，《给你一点颜色》就是其曾与摇滚结合的音乐作品。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文： Light travels at a speed that is about a million times faster than the speed of sound. In one second, light travels about 300, 000 km, but sound travels only about 334 meters. You can get some i...
A.
Light speed is millions of times faster than sound speed.
B.
Light speed is a million times slower than sound speed.
C.
Light speed is about millions of times faster than sound speed.
D.
Light speed is about a million times faster than sound speed.
查看完整题目与答案
【判断题】皮影戏与时俱进,《给你一点颜色》就是其曾与摇滚结合的音乐作品。A. 对 B. 错
A.
正确
B.
错误
查看完整题目与答案
【判断题】皮影戏与时俱进,《给你一点颜色》就是其曾与摇滚结合的音乐作品。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000km. But sound travels only 344m. You can get some idea of this differe...
A.
have to travel a greater distance
B.
move less quickly
C.
travel much quickly
D.
be less powerfull
查看完整题目与答案