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【简答题】
先画出算法流程图,再 编程实现:输出 Fibonacci 数列的前 n 项,并输出其数列前 n 项之和。
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反馈参考答案：
举一反三
【单选题】女性,32岁,3年来常出现左上腹痛,常在进食后疼痛,先后曾呕血3次,胃肠钡餐检查未发现明显异常,体检仅上腹压痛。该患
A.
有可能的诊断是
B.
慢性胃炎
C.
胃癌
D.
胃溃疡
E.
肠校梗阻
F.
十二指肠溃疡
【单选题】Elsa hates going shopping, _____ she went last night when her grandpa asked her to buy some medicine for him. [ ]
A.
because
B.
but
C.
if
D.
so
【单选题】患者，女性，32岁。3年来常出现左上腹痛，常在进食后疼痛，先后曾呕血3次，胃肠钡餐检查未发现明显异常，体检仅上腹压痛。该患者最有可能的诊断是
A.
慢性胃炎
B.
胃癌
C.
胃溃疡
D.
肠梗阻
E.
十二指肠溃疡
【简答题】已知a>0，b>0，求证： ≥ ＋ .
【简答题】已知a>0,b>0,求证: + ≥ + .
【单选题】女性,32岁,3年来常出现左上腹痛,常在进食后疼痛,先后曾呕血3次,胃肠钡餐检查未发现明显异常,体检仅上腹压痛。该患者最有可能的诊断是
A.
慢性胃炎
B.
胃癌
C.
胃溃疡
D.
肠梗阻
E.
十二指肠溃疡
【简答题】已知 a >0，b>0，证明 。
【单选题】— Mary lives _____ the second floor and Elsa lives two floors _____ her. — Yes, but they live in different _____. [ ]
A.
on, over, buildings
B.
in, above, building
C.
in, over, buildings
D.
on, above, buildings
【单选题】Elsa hates going shopping, she went last night when her grandpa asked her to buy some medicine f
A.
Elsa hates going shopping, ____ she went last night when her grandpa asked her to buy some medicine for him. A．because
B.
but
C.
if
D.
so
【判断题】Elsa wanted her mother to prepare better lunch for her to take to school.
A.
正确
B.
错误
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