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【判断题】
一个函数在某点可导则该函数在这点必连续. ( )A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
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【单选题】如要采用68 mm高速钢立铣刀加工材料为45钢的键槽时,根据经验选择合适的转速()。
A.
100r/ min
B.
300r/ min
C.
600r/ min
D.
1 000r/ min
【单选题】Who founded the organization that would become The US Forest Service and served as chief of the organization while Theodore Roosevelt was president?
A.
Gifford Pinchot (1865-1946)
B.
John Muir (1838–1914)
C.
Rachel Carson (1907–1964)
D.
Aldo Leopold (1887-1948)
【单选题】The little girl who would become the world’s most magical actress _______ an anonymous refugee confronting life’s horrors and fragility firsthand.
A.
acted as
B.
served as
C.
worked as
D.
began as
【简答题】Four men who would become fathers were in a hospital waiting room while their wives were going to give birth to their babies. The nurse arrived and proudly said to the first man, “Congratulations, sir...
【简答题】Translate the following sentences into Chinese or English. Translate the sentences into Chinese. The little girl who would become the world's most magical actress began as an anonymous refugee confron...
【多选题】下列关于缓冲溶液的描述正确的是
A.
缓冲溶液由两种物质组成
B.
缓冲溶液的作用是有限度的
C.
缓冲溶液能抵抗外来大量酸碱
D.
共轭酸为抗碱成分
E.
共轭碱为抗酸成分
【简答题】Four men who would become fathers were in a hospital waiting room while their wives were in labor (分娩). The nurse arrived and proudly said to the first man, “Congratulations, sir. You’re the father of...
【单选题】What's the meaning of this sentence: "The little girl who would become the world's most magical actress began as an anonymous refugee confronting life's horrors and fragility firsthand."
A.
这个日后将成为世界上最有魅力女星的小女孩刚开始只是一个无名难民，直面生命中恐惧和脆弱。
B.
这个日后将成为世界上最有魅力女星的小女孩起初默默无名，饱受磨难。
C.
小女孩刚开始只是一个无名难民，不得不面对生命中的恐惧和脆弱，谁能想到日后她会成为大明星呢？
D.
这个小女孩勇敢面对生命中的恐惧和磨难，最终成长为世界上最具魅力的女星。
【单选题】If the man keeps looking down on his cellphone he would have missed the chance of seeing the girl who would become his wife. Is that true?
A.
Yes
B.
No
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