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【多选题】
关于分段的Hermite插值,以下论断成立的是
A.
次多项式
B.
可以防止Runge现象
C.
每个小区间上是二次函数
D.
每个小区间上是三次函数
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【简答题】A.It is well known an over the world. B.It has become the topic of an article. C.It has made the front-page headline of the press. D.It has become the title of a best-seller.
【单选题】提出 “诗缘情而绮靡”的文论家是( )
A.
曹丕
B.
陆机
C.
刘勰
D.
钟嵘
【简答题】A.It is well known all over the world. B.It has become the topic of an article. C.It has made the front-page headline of the press. D.It has become the title of a best-seller.
【简答题】In consequence, computer handling and storage has become increasingly _________.
【单选题】Pollution has become a great ______ to our daily life.
A.
threat
B.
threatening
【单选题】取一小块金属钠,放在燃烧匙里加热,下列实验现象描述正确的是 ①金属先熔化 ②在空气中燃烧,放出黄色火花 ③燃烧后得白色固体 ④燃烧时火焰为黄色 ⑤燃烧后生成浅黄色固体物质
A.
②⑤
B.
①②③
C.
①④⑤
D.
④⑤
【单选题】Since 2000, Nanchang has become a new city. Everything _____. [      ]
A.
is changed
B.
was changed
C.
has changed
D.
had changed
【单选题】取一小块金属钠放在燃烧匙里加热,下列实验现象:描述正确的是(  ) ①金属先熔化  ②在空气中燃烧,放出黄色火花  ③燃烧后得白色固体  ④燃烧时火焰为黄色  ⑤燃烧后生成淡黄色固体物质.
A.
①②
B.
①②③
C.
①④⑤
D.
④⑤
【多选题】文明社会可以分为下列哪几类?()
A.
原始文明
B.
农业文明
C.
工业文明
D.
生态文明
【单选题】取一小块金属钠,放在燃烧匙里加热,下列实验现象正确的描述是________ ①金属先熔化 ②在空气中燃烧,放出黄色火花 ③燃烧后得白色固体 ④燃烧时火焰为黄色 ⑤燃烧后生成浅黄色固体物质
A.
①②
B.
①②③
C.
①④⑤
D.
④⑤
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