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阅读理解 Where there is a river, there is a city.  Perhaps this is not always true, but it is true that many of the world's greatest cities have been built on the banks of a river. The Neva River flows through the center of St Petersburg in Russia. Three hundred years ago, the Russian Czar Peter the Great came here and built a new capital-St Petersburg.  Peter the Great, like his country, was strong and proud.  Many great palaces were built during his lifetime. The palaces were large and beautiful,  and they often looked like something out of a fairy tale, St Petersburg has also been the center of many important events in history. In 1941, the Germans tried to destroy the city.  It was under attack for 900 days, but the people of the city never gave in. The Germans burned many of the palaces as they left.  St Petersburg was almost in ruins: fires burned everywhere. Buildings were destroyed, and paintings and stadium lay in pieces on the ground. Rebuilding the city and its cultural relics seemed impossible, but the people of the great city would not give up, 'We will not let our history and city be destroyed, and we will do everything we can to save our city ! ' When the Nazi had gone, the people of St Petersburg began rebuilding the city. Pieces of the palaces that had been hidden before the Nazis came could now be used to rebuild the city and its culture.  It was not easy.  Painters and workers had to be very careful when they were trying to bring the city back to life. It was difficult to save the palaces and building without detracting their old beauty. With the help of old paintings and photographs, the people of St Petersburg were able to bring back the beauty of their culture and history.  Now, after years of hard work, parts of statues have been put back together and missing pieces have been replaced. Old paintings, including a portrait of Peter the Great which was found in the snow outside St Petersburg, have been carefully copied, and the old palaces have been made as wonderful as in the past. Today Peter the Great on his bronze horse can once again look out over the city he built.  Like their hero Peter, the people of St Petersburg have shown that dreams can come true. Strong, proud and united, the people of St Petersburg are modern heroes of Russia. 1. The underlined word 'portrait' in the third paragraph is perhaps closest to____in meaning. A. room B. picture C. knife D. dress 2. Which of the following sentences is not true of St Peterburg according to the passage? A. It was the capital of Russia,  and it was built about three hundred years ago. B. It people never gave in to the Germans during World War Ⅱ. C. The Germans tried to destroy the city because they hated Peter the Great. D. It took years of hard work of the painters and workers to rebuild it. 3. The third paragraph of the passage is mainly about____. A. how bravely the people of the city fought against the Germans. B. how beautiful the city looked now. C. how hard the people of the city worked to rebuild the city. D. how proud the people of the city were. 4. The best title of the passage should be___ A. A City of Heroes B. St Petersburg C. Peter the Great D. Rivers and Cities
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【多选题】下列关于cGMP信号途径说法正确的是( )
A.
第二信使cGMP是由鸟苷酸环化酶催化生成
B.
膜结合GC是一种膜表面受体,配体多数为神经肽。
C.
可溶性GC的结构与膜结合GC完全不同,配体也不同。
D.
cGMP能够激活PKG或者直接作用于离子通道。
【简答题】cGMP
【单选题】下面对静态成员函数的描述正确的是 ( ) 。
A.
一定可以通过类名::在类外调用
B.
允许直接访问类的静态成员
C.
允许直接访问非静态成员
D.
不能使用const关键字定义静态常函数
【单选题】过敏反应时,嗜碱性粒细胞内( )。
A.
cAMP降低
B.
cGMP降低
C.
cAMP升高
D.
cGMP升高
E.
c.AMP降低、cGMP升高
【单选题】当阀门2/3开时,实验装置中_________截面的动压头最小?
A.
B.
C.
D.
D
【单选题】血针治疗马中暑的主穴是(2014 真题下129)
A.
三江
B.
太阳
C.
通关
D.
颈脉
E.
尾尖
【单选题】教育应将幼儿的知识学习、能力发展与品德养成相结合,促进幼儿全面发展。但教育首先是教人先做人,所以应教导幼儿学会做人,做一个中国人,做一个现代的中国人。这就意味着教师在保育和教育过程中要坚持( )
A.
育人为本,德育为先
B.
依循规律,尊重差异
C.
激发兴趣,鼓励创新
D.
自主探索,适应社会
【单选题】下面对静态成员函数的描述正确的是 ( ) 。
A.
一定可以通过类名::在类外调用
B.
只能访问类的静态成员
C.
允许访问非静态成员
D.
不能使用const关键字定义静态常函数
【单选题】Ⅰ型超敏反应中,能抑制肥大细胞脱颗粒的是()
A.
cAMP增加,cGMP减少
B.
cAMP增加,cGMP增加
C.
cAMP减少,cGMP增加
D.
cAMP减少,cGMP减少
E.
以上都不是
【单选题】cGMP 能激活
A.
PKA
B.
PKC
C.
PKG
D.
PLC
E.
PTK
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