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Despite the global economic (1) __________ and a rising anti free trade trend, China’s (2) _______________ has opened a new path for economic globalization, conference guests said. After the 2008 financial crisis, world economy and globalization hit a block, and are struggling amid impacts from the (3) ___________ and Brexit in recent years. According to Zeng Peiyan, vice chairman of Boao Forum, the current anti-globalization trend is mainly caused by (4) _____________ among international rules, financial distribution (5) __________, internal adjustment of economies, and increasing economic globalization. Indian representative Sudheendra Kulkarni, head of the Observer Research Foundation, said the (6) __________ of Asia and developing countries has changed the global landscape, and China’s Belt and Road initiative will benefit the Asian Pacific region. Australian Minister for Revenue and Financial Services Kelly O’Dwyer said the China Australia free trade agreement has (7) ____________ potential, and Australia has already benefited from the agreement in agriculture and services. Linda Yueh, head of the China Growth Center at Oxford, said China, as the second largest world economy, has (8) ________ hundreds of millions of people out of (9) _________ in the past 30 years, making great contributions to the world economy and economic globalization. Former New Zealand Prime Minister Jennifer Shipley said it was the right moment for New Zealand and Australia to join the (10) ________________. China has demonstrated great leadership in win win cooperation with other regional countries. 1.1.3 news item one 填空题.mp4
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【单选题】系统的幅频特性|H(jω)|和相频特性如图(a)(b)所示,则下列信号通过该系统时,不产生失真的是( )
A.
f(t) = cos(2t) + cos(8t)
B.
f(t) = sin(2t) + sin(4t)
C.
f(t) = sin(2t) sin(4t)
D.
f(t) = cos2(4t)+ sin(2t)
【判断题】电压源的内阻越小,其输出电压受负载的影响越小,带负载的能力越强。
A.
正确
B.
错误
【单选题】系统的幅频特性|H(jω)|和相频特性如图X4.27(a)、(b)所示,则下列信号通过该系统时,不产生失真的是_______。
A.
f(t)=cos t+cos(8t)
B.
f(t)=sin(2t)+sin(4t)
C.
f(t)=sin(2t)sin(4t)
D.
f(t)=COS2(4t)
【简答题】宣宣是某幼儿园大班的孩子,在该幼儿园里,他是出了名的“身强体壮”的顽皮鬼,与其他小朋友矛盾不断,今天上午又挨了老师的一顿狠批。事情是这样的:前几天,宣宣所在的班刚转来了一个小朋友李明,李明个子也比较高,这样,宣宣和李明成为该班仅有的两个“高个”。宣宣主动找李明一块玩,可李明不太喜欢动,尤其不爱和宣宣这样风风火火的孩子玩。今天上午刚到班里,宣宣又找李明教他“玩魔术”,李明不同意,这样就动起手来…… ...
【简答题】在电影《看上去很美》中,3岁的小男孩方枪枪被自己的爸爸带到了幼儿园。原本一直由奶奶带着的方枪枪在幼儿园这个新集体里显得格格不入:后脑勺上留着一撮小,在早上的拉屎时间拉不出屎,不会自己穿脱衣服,睡觉会尿床......幼儿园小朋友需要遵守的纪律标准他一样也做不到。但是方枪枪还是想融入这片小天地,他为了得到老师的赞许和其他小朋友的认同、羡慕,努力地遵守幼儿园的各种纪律,想为自己赢得5朵小红花。然而就...
【单选题】一名小班的幼儿学会了自己使用勺子吃饭。一次他的爸爸妈妈带他去吃西餐,服务员给他提供叉子,他还是继续按照使用勺子的方法使用它。他的父母没有纠正他的动作,他也就接纳了这个“有点怪”的勺子,并且还告诉幼儿园的其他小朋友,他用过一种和幼儿园里不一样、很奇怪的勺子。这属于皮亚杰认知发展理论中的哪个概念?( )
A.
同化
B.
顺应
C.
组织
D.
适应
【单选题】系统的幅频特性 |H(jω)| 和相频特性 如图 (a)(b) 所示,则下列信号通过 该系统时,不产生失真的是( )
A.
f(t) = cos(t) + cos(8t)
B.
f(t) = sin(2t) + sin(4t)
C.
f(t) =sin(2t) sin(4t)
D.
f(t) =cos 2 (4t)
【单选题】系统的幅频特性 |H(jω)| 和相频特性, 如图 (a)(b) 所示,则下列信号通过 该系统时,不产生失真的是 。
A.
f(t) = cos(t) + cos(8t)
B.
f(t) =sin(2t) + sin(4t)
C.
f(t) = sin(2t)+ sin(4t)
D.
f(t) = cos(4t)
【判断题】电压源的内阻越小,其输出电压受负载的影响就越小,带负载能力便越强。( )
A.
正确
B.
错误
【简答题】材料分析题:小强是某幼儿园大班的孩子,在该幼儿园里,他是出了名的“身强体壮”的顽皮鬼,和其他小朋友矛盾不断,今天上午又挨了老师的一顿狠批。事情是这样的:前几天,小强所在的班刚转来了一个小朋友李明,李明个子也比较高,这样,小强和李明成为该班仅有的两个“高个”。小强主动找李明一块玩,可李明不太喜欢运动,尤其不爱和小强这样风风火火的孩子玩。今天上午刚到班里,小强又找李明教他“玩魔术,李明不同意,这样小强...
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