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【简答题】
对于数列 ，定义 为数列 的一阶差分数列，其中 ；对 ,定义 为 的 阶差分数列，其中 . （1）若数列 的通项公式为 ，分别求出其一阶差分数列 、差分数列 的通项公式； （2）若数列 首项 ，且满足 ，求出数列 的通项公式 及前 ．
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举一反三
【单选题】'The right to be forgotten'(Para. 1)refers to public s right to______.
A.
wipe out their criminal record from the web
B.
decide whether some information should be launched online .
C.
use virtual names online to conceal their true identity
D.
have their personal information deleted from the internet
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【单选题】在Shell脚本中,用来读取文件内各个域的内容并将其赋值给Shell量的命令是()
A.
foId
B.
join
C.
tr
D.
read
查看完整题目与答案
【单选题】在Shell脚本中，用来读取文件内各个域的内容并将其赋值给Shell变量的命令是_____ 。
A.
fold
B.
join
C.
tr
D.
read
查看完整题目与答案
【单选题】在Shell脚本中,用来读取文件内各个域的内容并将其赋值Shell变量的命令是
A.
fold
B.
join
C.
tr
D.
read
查看完整题目与答案
【简答题】The phrase 'failing to yield the right-of-way' (Para. 4) means ______.
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【多选题】为进行企业合并发生的各项直接相关费用，下列说法中正确的有( )。
A.
非同一控制下的企业合并，购买方为进行企业合并发生的各项直接相关费用应当计入企业合并成本
B.
非同一控制下的企业合并，购买方为进行企业合并发生的各项直接相关费用应当计入当期损益
C.
非同一控制下的企业合并，购买方为进行企业合并发生的各项直接相关费用应当计入所有者权益
D.
同一控制下的企业合并，合并方为进行企业合并发生的各项直接相关费用，应当于发生时计入当期损益
E.
同一控制下的企业合并，合并方为进行企业合并发生的各项直接相关费用，应当于发生时计入所有者权益
查看完整题目与答案
【单选题】What does 'it'(Line 5, Para. 1) refer to?
A.
Pregnancy.
B.
The right of abortion.
C.
An unusual question.
D.
Writing a letter.
查看完整题目与答案
【简答题】练习并学会人工呼吸和徒手心肺复苏术
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【单选题】The sentence 'Thomas Moore had been on the right track' (para. 3) indicates that______.
A.
Moore's farm was not far away from Washington
B.
Moore's farm was on the right road
C.
Moore's design was completely successful
D.
Moore was suitable for the job
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【单选题】'Your right hand says 'me''(Line 4, Para 2) implies that ______.
A.
the wearer may be married or unmarried
B.
the wearer of the right-hand ring is independent
C.
the woman has the right-hand ring as a gift
D.
the wearer of the right-hand ring is a self-centered woman
查看完整题目与答案
相关题目：
【单选题】'The right to be forgotten'(Para. 1)refers to public s right to______.
A.
wipe out their criminal record from the web
B.
decide whether some information should be launched online .
C.
use virtual names online to conceal their true identity
D.
have their personal information deleted from the internet
查看完整题目与答案
【单选题】在Shell脚本中,用来读取文件内各个域的内容并将其赋值给Shell量的命令是()
A.
foId
B.
join
C.
tr
D.
read
查看完整题目与答案
【单选题】在Shell脚本中，用来读取文件内各个域的内容并将其赋值给Shell变量的命令是_____ 。
A.
fold
B.
join
C.
tr
D.
read
查看完整题目与答案
【单选题】在Shell脚本中,用来读取文件内各个域的内容并将其赋值Shell变量的命令是
A.
fold
B.
join
C.
tr
D.
read
查看完整题目与答案
【简答题】The phrase 'failing to yield the right-of-way' (Para. 4) means ______.
查看完整题目与答案
【多选题】为进行企业合并发生的各项直接相关费用，下列说法中正确的有( )。
A.
非同一控制下的企业合并，购买方为进行企业合并发生的各项直接相关费用应当计入企业合并成本
B.
非同一控制下的企业合并，购买方为进行企业合并发生的各项直接相关费用应当计入当期损益
C.
非同一控制下的企业合并，购买方为进行企业合并发生的各项直接相关费用应当计入所有者权益
D.
同一控制下的企业合并，合并方为进行企业合并发生的各项直接相关费用，应当于发生时计入当期损益
E.
同一控制下的企业合并，合并方为进行企业合并发生的各项直接相关费用，应当于发生时计入所有者权益
查看完整题目与答案
【单选题】What does 'it'(Line 5, Para. 1) refer to?
A.
Pregnancy.
B.
The right of abortion.
C.
An unusual question.
D.
Writing a letter.
查看完整题目与答案
【简答题】练习并学会人工呼吸和徒手心肺复苏术
查看完整题目与答案
【单选题】The sentence 'Thomas Moore had been on the right track' (para. 3) indicates that______.
A.
Moore's farm was not far away from Washington
B.
Moore's farm was on the right road
C.
Moore's design was completely successful
D.
Moore was suitable for the job
查看完整题目与答案
【单选题】'Your right hand says 'me''(Line 4, Para 2) implies that ______.
A.
the wearer may be married or unmarried
B.
the wearer of the right-hand ring is independent
C.
the woman has the right-hand ring as a gift
D.
the wearer of the right-hand ring is a self-centered woman
查看完整题目与答案