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【简答题】
假如在 "mail. gxrtvu. edu. cn" 的邮件服务器上给某一用户创建了一个名为 "ywh" 的账号,那么该用户可能的 E-mail 地址是____。
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皮皮学刷刷变学霸
举一反三
【多选题】In dynamic programming:
A.
some answers are pre-computed and stored in a table
B.
is a table look-up approach
C.
a cheat sheet is necessary
D.
memorisation of facts is important
【单选题】下列有关支气管舒张实验的描述 错误的 是
A.
通常可在FEV1/FVC＜70%可选择做舒张试验；
B.
用以测定气道的可逆性；
C.
吸入支气管舒张剂后评价；
D.
若FEV1较用药前增加≥12%则为支气管舒张试验阳性；
E.
若FEV1用药后较用药前增加≥12%,且绝对值增加≥200ml,则为支气管舒张试验阳性；
【简答题】dynamic programming
【单选题】"Programming", as in "dynamic programming", means:
A.
tabulation
B.
writing codes
C.
keying in the answer
D.
operating a machine
【单选题】Dynamic Programming can be described as:
A.
A reductionist method because the problem size is reduced in each step until it becomes small enough to be tackled easily
B.
A constructivist method because we work on small problems first and then build up solutions of larger problems
C.
A parallel processing method because we work on multiple parts of the problem simultaneously
D.
None of the options given
【单选题】A pathological situation possible in a Dynamic Programming algorithm is:
A.
The computation time required to come up with the value of a cell in the table can be prohibitively long
B.
The structure of the partial solution table can be too irregular to fit in the computer’s memory
C.
The size of the partial solution table can be too large to fit in the computer’s memory
D.
None of the options given
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