【单选题】【消耗次数：1】
下列选项中能够计算双倍余额递减法折旧额的是（ ）。
①
DDB函数
②
SLN函数
③
IF函数
④
INT函数
参考答案：
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相关题目
【单选题】
下列函数中既是奇函数又是增函数的是（ ）
①
<img class="kfformula" src="20190808/1565254637580775.png" data-latex="y=\frac {1} {x}"/>
②
<img class="kfformula" src="20190808/1565254637194153.png" data-latex="y=-\frac {1} {3}x"/>
③
<img class="kfformula" src="20190808/1565254637543456.png" data-latex="y=3x"/>
④
<img class="kfformula" src="20190808/1565254637197572.png" data-latex="y=2{x}^{2}"/>
【单选题】
下列函数中为偶函数是（ ）
①
<img class=jc-formula data-tex={ y=x }^{ 2 } src=http://60.205.157.60/formula/a@7B0EE7D80F39D4227EF2FBAA344CB439.png style=vertical-align: middle;/>sinx
②
<img class=jc-formula data-tex={ y=2 }^{ x } src=http://60.205.157.60/formula/a@292654F59D6271EAB1A18AD5A52621BE.png style=vertical-align: middle;/>
③
y=xcosx
④
y=ln2
【单选题】
下列函数中为奇函数是（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/0E966CC9FB6F4654101036636E8001CA.png title=图片1.png alt=图片1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/43D475DC8D553CBCFACF1FF582DC4E8A.png title=图片2.png alt=图片2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/D5D48A040E148AE6AB29CD6EEC657C0E.png title=图片3.png alt=图片3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/FF91F832B71F018808B77CF2C899E34A.png title=图片4.png alt=图片4.png/>
【单选题】
下列函数中是奇函数的是（ ）
①
<img class="kfformula" src="20190808/1565253233633468.png" data-latex="y=x+{x}^{2}"/>
②
<img class="kfformula" src="20190808/1565253233837122.png" data-latex="y=-\sqrt {x}"/>
③
<img class="kfformula" src="20190808/1565253233536783.png" data-latex="y=\frac {x} {1-{x}^{2}}"/>
④
<img class="kfformula" src="20190808/1565253233611630.png" data-latex="y=5{x}^{2}"/>
【单选题】
下列函数中是增函数的是（ ）
①
<img src="20190730/1564477377822527.png" title="1564477377822527.png" alt="图片117.png"/>
②
<img src="20190730/1564477370221072.png" title="1564477370221072.png" alt="图片116.png"/>
③
<img src="20190730/1564477418409058.png" title="1564477418409058.png" alt="图片118.png"/>
随机题目
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There are four pairs of socks to ______, but the woman doesn’t know ______ to buy.
①
choose from; which
②
choose from; what
③
choose; which
④
choose ;what
【单选题】
Last month Miss Han ______ a doctor.
①
married with
②
married to
③
was married with
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got married to
【单选题】
Light waves and heart waves are all electromagnetic. ______ are radio waves.
①
Some
②
Such
③
As
④
So
【单选题】
Ancient Chang’an was seven times _____ the size of today’s Xi’an city.
①
/
②
as much as
③
that of
④
of
【单选题】
How difficult it is ______ the modern world without oil.
①
imagining
②
imagined
③
to imagine
④
having imagined
【单选题】
The exchange of goodwill mission greatly ______ a better understanding between the two countries.
①
carries out
②
brings around
③
breaks out
④
contributes to
【单选题】
I like this jacket better than that one, but it costs twice ______.
①
as much
②
so much
③
that much
④
too much
【单选题】
Young drivers under 25 have the highest number of accidents while those over 50 have ______.
①
the less
②
the least
③
the fewer
④
the fewest
【单选题】
The novelist is a highly ______ person whose works appeal to many readers.
①
imaginable
②
imaginative
③
imaginary
④
imagined
【单选题】
The reason why he didn’t take the exam was _____ he had an accident on his way to the school.
①
because
②
because of
③
that
④
due to