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VANCOUVER Vancouver in western Canada is named after Captain George Vancouver of the British Royal Navy. However, Captain Vancouver was not the first European 【C1】______ visit the area. The coast 【C2】______ already been explored by the Spanish. Captain Vancouver did 【C3】______ spend many days there, even 【C4】______ he was warmly welcomed by the local people and the scenery amazed him and everyone else 【C5】______ was travelling with him. The scenery still amazes visitors to 【C6】______ city of Vancouver today. First-time visitors who are 【C7】______ search of breathtaking views 【C8】______ usually directed to a beach which is about ten minutes 【C9】______ the city centre. There, looking out over the sailing boats racing across the blue water, visitors see Vancouver's towering skyline backed by the magnificent Coast Mountains. Then they sigh and say, 'It's 【C10】______ beautiful that I want to stay forever!' You can't blame them. The city is regularly picked by international travel associations 【C11】______ one of the world's best tourist destinations. They are only confirming what the two million residents and eight million tourists visiting Greater Vancouver 【C12】______ single year already know: there is simply 【C13】______ other place on earth quite 【C14】______ it. It's not just the gorgeous setting where mountains meet the sea that appeals to people, 【C15】______ also Vancouver's wide range of sporting, cultural and entertainment facilities. 【C1】______
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举一反三
【单选题】细胞中含量最多的RNA是
A.
rRNA
B.
mRNA
C.
tRNA
D.
hnRNA
【简答题】T=T×××·C×××长延时PLC控制:使用一个2s定时器和一个计数器,实现8s延时控制。
【单选题】下列关于RNA的描述,不正确的是
A.
RNA的双螺旋结构和DNA相似
B.
细胞中含量最多的RNA是rRNA
C.
tRNA是分子量最小的RNA
D.
mRNA是翻译合成多肽链的模板
E.
尿嘧啶是RNA特有的碱基
【简答题】为了理解长度收缩效应和时间延缓效应,试计算下列两题.(c为真空中的光速c=3.0×10 8 m·s -1 ) (1)一细棒静止在飞船上,其长度L 0 为1m,若飞船以①v=0.1c;②v=0.5c;③v=0.9c;④0.99c的速度作匀速直线运动,对地面观察者来说,其长度为多少? (2)一只时钟在静止的飞船上,测得一事件发生的时间间隔△t 0 为1s,若飞船以①v=0.1c;②v=0.5c;③v=...
【单选题】下列关于癫狂病机的叙述中,正确的是
A.
癫为痰火上扰,神明失主
B.
狂为痰气郁结,蒙蔽神机
C.
狂证痰气郁而化火,可转化为癫证
D.
癫证日久,郁火宣泄而痰气留结,又可转化狂证
E.
脏气不平,阴阳失调,脑之神机逆乱是病机的关键
【判断题】细胞中含量最多的 RNA 是 rRNA 。 ()
A.
正确
B.
错误
【简答题】为了理解长度收缩效应和时间延缓效应,试计算下列两题.(c为真空中的光速c=3.0×10 8 m·s -1 ) (1)一细棒静止在飞船上,其长度L 0 为1m,若飞船以①v=0.1c;②v=0.5c;③v=0.9c;④0.99c的速度作匀速直线运动,对地面观察者来说,其长度为多少? (2)一只时钟在静止的飞船上,测得一事件发生的时间间隔△t 0 为1s,若飞船以①v=0.1c;②v=0.5c;③v=...
【单选题】下列关于RNA的描述中哪个是错误的
A.
RNA的双螺旋结构和DNA相似
B.
细胞中含量最多的RNA是rRNA
C.
tRNA是分子量最小的RNA
D.
mRNA是翻译合成多肽链的模板
E.
尿嘧啶是RNA特有的碱基
【简答题】T=T××× · C×××长延时PLC控制,使用一个2s定时器和一个计数器,实现8s延时控制。
【单选题】对第四段中“直觉总是出现在意识的边缘而不是中心”一句的意思理解正确的一项是( )。
A.
直觉并不是思维主流中的有价值的设想,它只不过是反复探究过程中的偶然发现
B.
直觉并不在自觉思考主流问题时出现,而可能出现在与主流问题相关的思维阶段
C.
直觉是一种并不普遍存在的对结果即将出现的预感,与自觉思考的中心问题无关
D.
直觉常出现在不知道核心问题所在的模糊意识中,因此只能从边缘问题中去寻找
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