皮皮学，免费搜题
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【多选题】
自创专利权的成本包括()A.
研发阶段的费用化支出
B.
登记注册费
C.
研发阶段的资本化支出
D.
聘请律师的费用
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】— Tom, can you ____ this word in Chinese? — Yes, I can _____ a little Chinese now.
A.
speak; say
B.
say; speak
C.
tell; speak
D.
talk; say
【单选题】下列物质中，既能使得高锰酸钾溶液褪色，又能使得溴水褪色，还能与NaOH发生中和反应的物质是（ ）
A.
CH 2 =CHCOOH
B.
C 6 H 5 CH 3
C.
C 6 H 5 COOH
D.
CH 3 COOH
【单选题】The word “ungelievable” based on Chinese, which has become a big hit online very quickly, ____a message that Chinese can also serve as an addition to English vocabulary.
A.
delivers
B.
simplifies
C.
declares
D.
clarifies
【单选题】What do you think is invention in the world? [ ]
A.
useful
B.
more uscful
C.
most useful
D.
the most useful
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