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【单选题】
关于拉普拉斯算子,下列哪一个选项是正确的?A.
拉普拉斯算子是一阶微分算子
B.
拉普拉斯算子是微分算子
C.
拉普拉斯算子不能用模板表示
D.
拉普拉斯算子可以平滑图像
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
举一反三
【多选题】Which of the following is true about paraphrasing?
A.
Not all words can be paraphrased in English.
B.
Be selective when you paraphrase.
C.
When paraphrasing, you can try and change the grammar and use synonyms.
D.
When paraphrasing, you should try to change every word.
【简答题】二尖瓣狭窄时,在心尖部可闻到_______样_______杂音,常伴有_______和_______。
【简答题】Our old classroom building, which was built a century ago, has become a sort of _______________.
【单选题】Our old classroom building, which was built a century ago, has become a sort of a local () .
A.
mark
B.
landmark
【简答题】Our old classroom building, which was built a century ago, has become a sort of a local ( ) .
【单选题】Which of the following paraphrasing techniques is NOTmentioned in the video?
A.
Paraphrasing with synonyms or changed word forms.
B.
Negative-positive or vice versa.
C.
Subject replacement.
D.
Reverse word order.
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