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【单选题】
社会主义核心价值观国家层面的内容是富强、民主、文明、()。
A.
自由
B.
爱国
C.
和谐
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A.
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B.
repaired
C.
repairing
D.
to repair
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【单选题】He didn’t keep on asking me the time any longer as he had had his watch ______.
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to repair
B.
repaired
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【单选题】下列关于动物细胞培养的叙述，不正确的是 [     ]
A.
通常将动物组织消化后的初次培养称为原代培养
B.
在原代培养过程中，细胞在培养液中悬浮生长和增殖
C.
用胰蛋白酶处理剪碎的组织可以获得细胞悬浮液
D.
动物细胞培养时用CO 2 培养箱维持适宜的pH
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【单选题】在美国历史上,向宪法做出最大挑战的总统大概是( )。
A.
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B.
肯尼迪总统
C.
艾森豪尔总统
D.
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【判断题】Paul Wylie had no idea that the applause was for him when he stepped off the plane because he didn’t think it was a big deal to win a silver medal.
A.
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B.
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【单选题】(附加题)下列关于现代生物科技专题知识的叙述，正确的是 [     ]
A.
动物细胞培养需使用胰蛋白酶制备体细胞悬液
B.
植物组织培养中乙烯和细胞分裂素的配比会影响组织分化
C.
转入油菜的抗除草剂基因，不可能通过花粉传入环境造成基因污染
D.
植物有性杂交和体细胞杂交均能克服远源杂交不亲和的障碍
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【简答题】He never believed that true love existed. His parents divorcedwhen he was young and he didn’t think that true love was able to survive in today’s world. He was 36 wrong. His grandparents were always s...
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【单选题】He didn’t think that the news was true, ___ ?
A.
was it
B.
wasn’t it
C.
did he
D.
didn’t he
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【简答题】I great difficulties in learning English grammar. 2. He managed to persuade his parents to let him a job. 3. The sofa as a bed at night. 4. I didn’t know how to these people 5. It was a that she died ...
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【单选题】H e didn’t keep on asking me for a ride any longer as he had already got his own car .
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【单选题】下列关于动物细胞培养的叙述，不正确的是 [     ]
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【单选题】在美国历史上,向宪法做出最大挑战的总统大概是( )。
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B.
肯尼迪总统
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D.
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【判断题】Paul Wylie had no idea that the applause was for him when he stepped off the plane because he didn’t think it was a big deal to win a silver medal.
A.
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B.
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查看完整题目与答案
【单选题】(附加题)下列关于现代生物科技专题知识的叙述，正确的是 [     ]
A.
动物细胞培养需使用胰蛋白酶制备体细胞悬液
B.
植物组织培养中乙烯和细胞分裂素的配比会影响组织分化
C.
转入油菜的抗除草剂基因，不可能通过花粉传入环境造成基因污染
D.
植物有性杂交和体细胞杂交均能克服远源杂交不亲和的障碍
查看完整题目与答案
【简答题】He never believed that true love existed. His parents divorcedwhen he was young and he didn’t think that true love was able to survive in today’s world. He was 36 wrong. His grandparents were always s...
查看完整题目与答案
【单选题】He didn’t think that the news was true, ___ ?
A.
was it
B.
wasn’t it
C.
did he
D.
didn’t he
查看完整题目与答案
【简答题】I great difficulties in learning English grammar. 2. He managed to persuade his parents to let him a job. 3. The sofa as a bed at night. 4. I didn’t know how to these people 5. It was a that she died ...
查看完整题目与答案