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【单选题】
贯穿于主义中国化理论成果始终的是A.
理论创新
B.
实事求是
C.
在实践中检验真理和发展真理
D.
尊重实践、尊重群众
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【简答题】阅读理解。 People enjoy sports. Sports help to keep people healthy, happy and to live longer. Many people like to watch others play s. They buy tickets or sit in front of TV sets. Often they get very e...
【单选题】下列关于生物变异的叙述中不正确的是 [ ]
A.
基因突变是随机的，可以发生在细胞分裂的任何时期
B.
二倍体植株加倍为四倍体，营养成分必然增加
C.
有丝分裂和无丝分裂过程中都可能发生染色体变异
D.
单倍体植株长得弱小，高度不育，但有的单倍体生物是可育的
【简答题】Ladies and gentlemen, welcome to Dalian, a famous summer resort ( 避暑胜地 ) and one of the best 1 ___________ (what?) in China. With clear sky, green mountains, blue seas, fine beaches, clean streets and...
【单选题】In summer, local people stroll along the tree-lined______through the park every night.
A.
allies
B.
alleys
C.
alloys
D.
alliances
【简答题】阅读短文，按要求完成下列各题。 Spending time doing something relaxing is not a bad idea during the winter months, especially as the Spring Festival holiday draws closer. Sarah Combes a social worker at the Vista Cli...
【单选题】下列关于细胞的生命历程叙述正确的是（）
A.
原核细胞没有染色体，所以原核生物以无丝分裂的方式进行细胞增殖
B.
胰岛B细胞中既有胰岛素基因和血红蛋白基因，也有合成胰岛素和血红蛋白的mRNA
C.
效应T细胞裂解靶细胞的过程属于细胞凋亡的过程
D.
癌细胞同正常细胞相比核糖体的活动会明显减弱
【单选题】听力原文： If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than you are at any other time of the year. A noted scientist, Ellsworth...
A.
Record of changes in his own intelligence.
B.
Work with people in different climates.
C.
Records of temperature changes.
D.
All records of changes in mental abilities.
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