【单选题】【消耗次数：1】
The company has maintained trade ( ) with Germany.
①
link
②
communication
③
contact
④
relation
参考答案：
复制
纠错
相关题目
【单选题】
_________ the information about this product, you can contact the sales department of our company.
①
To get
②
Getting
③
Get
④
Got
【单选题】
Your notes provide the raw material on _______ your mind has to work in relation to your essay topic.
①
where
②
when
③
what
④
which
【单选题】
33.Modern science and technology has _____ communication between people far apart.
①
madeconvenient
②
madeitconvenient
③
madeitconvenientfor
④
madeitconvenientto
【单选题】
24.There is no doubt ___the company has made the right decision on the sales project.
①
why
②
that
③
whether
④
when
【单选题】
The company has consistentlythe products it offers and is likely to continue to move into new services and countries.
①
diversified
②
exemplified
③
identified
④
simplified
【单选题】
The company has a primary task to ( )its brand name and improve its brand names attractiveness.
①
international
②
internationalization
③
internationalize
④
internationality
【单选题】
The sense relation between “fruit”and “apple”is _______.
①
hyponymy
②
polysemy
③
homonymy
④
synonymy
【单选题】
Einstein won the Nobel Prize in 1921 and enjoyed great fame in Germany until the rise of Nazism _____he was expelled from Germany because he was a Jew.
①
when
②
who
③
then
④
for him to
随机题目
【单选题】
等差数列0，-3，-6，······的通项公式是( )
①
<img src="20190809/1565314218197257.png" title="1565314218197257.png" alt="图片5.png"/>
②
<img src="20190809/1565314240415972.png" title="1565314240415972.png" alt="图片6.png"/>
③
<img src="20190809/1565314247141241.png" title="1565314247141241.png" alt="图片7.png"/>
④
<img src="20190809/1565314264699167.png" title="1565314264699167.png" alt="图片8.png"/>
【单选题】
下述结论正确的是( )
①
数列0.9，0.99，0.999,0.9999是无穷数列
②
数列2,4,7,10.是递减数列
③
数列3，-2，0，5，-9，…的第4项是0
④
数列10，10，10，10，…是常数列
【单选题】
等差数列<img class="kfformula" src="20190809/1565315219717157.png" data-latex="\left \{ {{a}_{n}} \right \} "/>首项<img class="kfformula" src="20190809/1565315219801596.png" data-latex="{a}_{1}=1"/>，公差<img class="kfformula" src="20190809/1565315219560191.png" data-latex="d=-3"/>，当<img class="kfformula" src="20190809/1565315219192999.png" data-latex="{a}_{n}=-56"/>时，项数<img class="kfformula" src="20190809/1565315219715609.png" data-latex="n"/>等于（ ）
①
18
②
19
③
20
④
21
【单选题】
在等差数列<img class="kfformula" src="20190809/1565316326247415.png" data-latex="\left \{ {{a}_{n}} \right \} "/>中，<img class="kfformula" src="20190809/1565316326513469.png" data-latex="{a}_{1}=2"/>，<img class="kfformula" src="20190809/1565316326731066.png" data-latex="d=-2"/>，则前十项的和为（ ）
①
-90
②
-70
③
110
④
220
【单选题】
若x+y=1,则x与y的等差中项是（）
①
<img src="20190822/1566466219602205.png" title="1566466219602205.png" alt="图片3.png"/>
②
<img src="20190822/1566466227823753.png" title="1566466227823753.png" alt="图片4.png"/>
③
<img src="20190822/1566466134821449.png" title="1566466134821449.png" alt="图片1.png"/>
④
<img src="20190822/1566466168502672.png" title="1566466168502672.png" alt="图片2.png"/>
【单选题】
下列各对向量相互垂直的是（ ）
①
a =（-3，4），b=（2，-1）
②
a =（-4，3），b=（-3，-4）
③
a =（2，1），b=（0，-3）
④
a =（-5，7），b=（7，-5）
【单选题】
下列式子正确的是（ ）
①
<img src="20190809/1565318637489370.png" title="1565318637489370.png" alt="图片17.png"/>
②
<img src="20190809/1565318646814757.png" title="1565318646814757.png" alt="图片18.png"/>
③
<img src="20190809/1565318652575815.png" title="1565318652575815.png" alt="图片19.png"/>
④
<img src="20190809/1565318658869248.png" title="1565318658869248.png" alt="图片20.png"/>