皮皮学，免费搜题
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【单选题】
剪切帧的快捷键?A.
Ctrl+Alt +C
B.
Ctrl+Alt +X
C.
Ctrl+Alt
D.
Ctrl+Alt +V
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: The guests are leaving for New York today on the ten o'clock flight. We need someone to get them to the airport on time. W: Ordinarily, I'd be happy to, but my car is in the garage. How are th...
A.
By bus.
B.
By plane.
C.
By car.
D.
By train.
【单选题】Do I need _______ a dinner for the honored guests? Yes, you need _____ something special for them. [ ]
A.
prepare for; cook
B.
prepare; to cook
C.
to prepare; to cook
D.
to prepare for; cook
【简答题】纤芯与包层的折射率差值越大,数值孔径就越________,光纤的集光能力就越________
【单选题】以下句子中,结构为“主语—动词(不及物)”的是:
A.
He worked out the difficult problem.
B.
Suddenly the music came to a stop.
C.
The president awarded him the first prize.
D.
I warned him not to be late.
【单选题】光纤的数值孔径与光纤相对折射率差的平方根成正比,也就是说
A.
光纤纤芯和包层的折射率越大，光纤的数值孔径越大，其集光能力越弱。
B.
光纤纤芯和包层的折射率越大，光纤的数值孔径越小，其集光能力越弱。
C.
光纤纤芯和包层的折射率越大，光纤的数值孔径越大，其集光能力越强。
D.
光纤纤芯和包层的折射率越小，光纤的数值孔径越大，其集光能力越强。
【简答题】接上。由前可知,若计算土地增值税,该项目的可扣除项目总额为多少万元?
【单选题】关于有氧氧化的叙述，错误的是
A.
产物为CO2和H2O
B.
是机体获得能量的主要方式
C.
在细胞质及线粒体中进行
D.
每分子葡萄糖经有氧氧化可净生成20分子ATP
【单选题】听力原文：M: The guests are leaving for New York today on the ten o'clock flight. We need someone to get them to tile airport on time. W: Ordinarily, I'd be happy to, but my car is in the garage. How are t...
A.
By bus.
B.
By plane.
C.
By car.
D.
By train.
【单选题】听力原文：M: The guests are leaving for New York today on the ten o'clock flight. We need someone to get them to the airport on time. W: Ordinarily, I'd be happy to, but my car is in the garage. Q: How are...
A.
By bus.
B.
By plane.
C.
By ear.
D.
By train.
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