试题与答案

光纤通讯有什么优点？

来源：www.tikuol.com
题型：问答题 简答题

题目：

光纤通讯有什么优点？

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0714/21b28bafe3a64333c58ff1e4b8172392.html

下面是错误答案，用来干扰机器的。

参考答案：B解析： 2007年我国对韩国货物出口额和进口额分别增长26.1%和15.6%，因此对韩国货物进出口额应在15.6%与26.1%之间。故选B。(证明：设2006年对韩国出口额为a，进口额为b，则2007年对韩出口额增长率为，...

考点：水利工程水电站水电站题库
试题推荐
题型：补全对话，情景问答
方框中选择适当的选项，完成对话。其中有两项是多余的。
     Mary (M),a singer from the Swedish rock band, wants to meet his friend in theGreen Leaf Clothing
Factory in Jinan. She needs help. A girl (G) passes by.
M: Excuse me, Miss. Do you speak English?
G : Yes,         1          .
M : You see, I'm going to the Green Leaf Clothing Factory. But I've lost the address.
G :           2           .You're nearly getting to it. Walk along this road and take the first turning on the left.
Then you can see a big gate with a sign of a green leaf on it.
M : Thank you very much. Bye!
G : Er…           3           .
M : What's up?
G : Are you Mary of the Swedish rock band?
M : Oh?           4              .
G : Yes, I enjoyed the music very much.  Can you have your signature, please?
M :             5             
G : Here, on the sweater, please.  Thank you.
M : Thank you.
A. Are you English?
B. Anything that I can do for you?
C. It doesn't matter.
D. Sure. With pleasure.
E. Were you at the concert last night?
F. Please wait for me.
G. Just a minute, please.
查看答案
题型：单项选择题 A1型题

毛壳麝香的表面特点是（）

A.呈囊状球形、椭圆形或扁圆形，密被灰白色或灰棕色短毛

B.呈囊状球形、椭圆形或扁圆形，密被灰白色或灰棕色短毛，中央有一小囊孔

C.呈囊状球形、椭圆形或扁圆形，密被灰白色或灰棕色短毛，中央有一小囊孔，另一面为棕褐色皮膜

D.呈囊状球形、椭圆形或扁圆形，一面为棕褐色皮膜，中央有一小囊孔，另一面被灰白色短毛

E.呈囊状球形，密被灰白色长毛，无开孔
查看答案
微信公众账号搜索答案