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【单选题】
INMARSAT第二代卫星中1626.5—17.5MHZ是（）的通信频带
A.
船到星
B.
星到船
C.
岸到星
D.
星到岸
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ walness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【单选题】第二篇 Health or Profit Although there is no direct evidence that salt is the cause of high blood pressure ar "hypertension", there are studies which indicate that reducing salt intake lowers blood press...
A.
the small reduced salt bread tastes the same as the standard content one
B.
most people can distinguish the content of salt in bread
C.
standard bread is different in taste from 20% reduced salt bread
D.
the less salt content of bread, the poorer taste it has
【单选题】第二篇 A Fire near Waco Six years later, in an about-face, the Federal Bureau of Investigation(FBI) admits that federal agents fired tear gas canisters capable of causing a fire at the Bran...
A.
neutral
B.
bitter
C.
excited
D.
expectant
【单选题】第二篇 We all age at different rates. Heredity clearly plays an important part. But recent research studies by gerontologists indicate that life-style may be equally significant in determin...
A.
Enjoying life is one of the best ways to lengthen it.
B.
Teaching others to live an active life.
C.
Avoiding death is more important than living.
D.
We should use our senses keenly.
【单选题】在多进制调制系统中，当Rb相同时，增加进制数M，或RB相同时，增加进制数M，对频带利用率ηb的影响分别是（）。
A.
提高，提高
B.
减小，减小
C.
提高，减小
D.
减小，提高
【多选题】属于“第二理想国”的教育观是()
A.
哲学被取消了
B.
有了明确的规定
C.
专管教育的长官
D.
定了学校的兴建
E.
提出要控制人口过度增长
F.
首次提到了强迫教育
【单选题】第二心音是( )
A.
标志心室收缩期的开始
B.
标志心室舒张期的开始
C.
以心尖部最强且清晰
D.
是心室壁、房室壁、腱索和乳头肌振动而产生
E.
是左右房室瓣骤然关闭的振动所致
相关题目：
【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ walness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【单选题】生物电信号的频带主要在( )范围内,且频带较宽。
A.
低频和超低频
B.
中频
C.
高频
D.
超高频
【单选题】第二篇 Health or Profit Although there is no direct evidence that salt is the cause of high blood pressure ar "hypertension", there are studies which indicate that reducing salt intake lowers blood press...
A.
the small reduced salt bread tastes the same as the standard content one
B.
most people can distinguish the content of salt in bread
C.
standard bread is different in taste from 20% reduced salt bread
D.
the less salt content of bread, the poorer taste it has
【判断题】相对调相比绝对调相的频带利用率高。
A.
正确
B.
错误
【单选题】多级谐振放大器，能较好克服选择性与通频带矛盾的调谐方式是（ ）。
A.
同步调谐
B.
参差调谐
C.
统一调谐
D.
不一定
【单选题】第二恒磨牙的牙胚形成于
A.
出生前后
B.
胚胎第4个月
C.
胚胎第4周
D.
胚胎第2个月
E.
出生1年后
【单选题】第二篇 We all age at different rates. Heredity clearly plays an important part. But recent research studies by gerontologists indicate that life-style may be equally significant in determin...
A.
Enjoying life is one of the best ways to lengthen it.
B.
Teaching others to live an active life.
C.
Avoiding death is more important than living.
D.
We should use our senses keenly.
【判断题】两级放大器比单级放大器的通频带要窄些。
A.
正确
B.
错误
【单选题】()是第二还款来源。
A.
专门还款准备金
B.
借款人的存款账户资金
C.
贷款担保
D.
其他借款人的资金
【单选题】不属收集第二方改据的是（）
A.
在线购物的商品交易支付记录
B.
工商登记注册的信息
C.
与合作伙伴交换的数据信息
D.
登录浏览网站的点击行为记录
【单选题】在多进制调制系统中，当Rb相同时，增加进制数M，或RB相同时，增加进制数M，对频带利用率ηb的影响分别是（）。
A.
提高，提高
B.
减小，减小
C.
提高，减小
D.
减小，提高
【单选题】GSM900直放站的上行工作频带应满足（）MHz。
A.
890-909
B.
935-954
C.
889-919
D.
890-915
【单选题】动物界的第二大门是（）
A.
节肢动物门
B.
软体动物门
C.
原生动物门
D.
环节动物门
【单选题】第二大题，问题二，2，
A.
A
B.
B
C.
C
D.
D
【多选题】属于“第二理想国”的教育观是()
A.
哲学被取消了
B.
有了明确的规定
C.
专管教育的长官
D.
定了学校的兴建
E.
提出要控制人口过度增长
F.
首次提到了强迫教育
【单选题】第二心音是( )
A.
标志心室收缩期的开始
B.
标志心室舒张期的开始
C.
以心尖部最强且清晰
D.
是心室壁、房室壁、腱索和乳头肌振动而产生
E.
是左右房室瓣骤然关闭的振动所致