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【单选题】
对紫薇的花序描述正确的是A.
复总状花序顶生
B.
隐头花序顶生
C.
伞房花序顶生
D.
穗状花序顶生
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】计算机的输入设备主要有( ),( ),( ),( )等。
【单选题】He did not arrive until the meeting was nearly over, for the simple reason is that he _____ asleep while watching television.
A.
had fallen
B.
has fallen
C.
fell
D.
was falling
【简答题】计算机的输入设备主要有哪些?
【单选题】According to the opinion of the interviewer,______.
A.
the future for invention depends
B.
there is still a future for invention and inspiration
C.
there is no future for invention and inspiration in modern society
D.
the future for invention and inspiration is unclear
【简答题】微型计算机的输入设备主要有 、 。
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