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【判断题】
分离器的工作原理是:通过信号分离器分离低频的语音信号和高频的数据信号,使它们在接受端互不干扰。
A.
正确
B.
错误
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【单选题】1935年,中国共产党发表( ),呼吁全国人民团结起来,停止内战,一致抗日;号召全民总动员,为抗日救国的神圣事业而奋斗。
A.
《中央关于一、四方面军会合后的政治形势与任务的决议》;
B.
《八一宣言》;
C.
《关于战略方针的决定》
【简答题】Question 8 Circle TWO letters A-G. Which TWO of the following items must people take with them? [A] sandals [B] old clothes [C] pullover [D] shirt with long sleeves [E] soft drinks [F] hat
【单选题】某地区有30家制药企业,要研究它们的产品生产情况,不能成为指标是( )
A.
企业名称
B.
30家企业的总产值
C.
企业的上市企业比例
D.
30家企业的毛利润
【单选题】1935年8月,中国共产党发表了 ——,呼吁停止内战,一致抗日。
A.
《抗日救国宣言》
B.
《抗战建国纲领》
C.
《抗日救国十大纲领》
D.
《为抗日救国告全国同胞书》
【单选题】Which of the following is not true of inflation?______.
A.
There are at least two theories generally accepted as to the cause of inflation: Demand-Pull Inflation and Cost-Push Inflation.
B.
Inflation always has negative effects on economy.
C.
Stagflation is the combination of high unemployment and economic stagnation with inflation.
D.
The lack of inflation may be an indication that the economy is weakening.
【判断题】Let G be a nontrivial (with at least two vertices) simple graph. There must be two vertices whose degrees are equal in G.
A.
正确
B.
错误
【判断题】土方场地平整时,在一个场地上可能会有多条“零线”?
A.
正确
B.
错误
【简答题】Question 9 Circle TWO letters A-G. Which TWO accommodation options mentioned are near the paragliding school? [A] camping [B] youth hostel [C] family [D] backpackers' inn [E] caravan park [F] bed and ...
【单选题】1935年中国共产党发表《八一宣言》,呼吁各界同胞、党派和军队捐弃前嫌,抵御外侮,是因为:()
A.
党修改了民主革命的纲领
B.
中国需倾全国力量抗日救国
C.
抗日战争全面爆发
D.
党重新认识了工农武装割据思想
【简答题】If G is a graph with at least two vertices, prove that G must contain two or more vertices of the same degree.
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