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【单选题】
在Inmarsat卫星通信系统中,地面站LES/NCS使用的工作频段为_____。A.
C波段
B.
L波段
C.
S波段
D.
X波段
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】会议基本情况包括会议标题、召集部门、( )、( )、( )、缺席人、列席人、主持人、记录人等。
【单选题】The pen well, so it ___ well.
A.
is written, is sold
B.
is writing, is selling
C.
is written, sells
D.
writes, sells
【单选题】— The pen writes well though it doesn't cost much. — Let me have a try. So _____. [ ]
A.
it is
B.
it does
C.
does it
D.
is it
【单选题】—The pen writes well. Where did you get it? —Oh , _____gave me as a birthday present.
A.
a workmate of my father
B.
a workmate of mine father's
C.
a workmate of my father's
D.
a workmate of mine father
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