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【单选题】
下列有关基因工程的叙述中,不正确的是
A.
DNA连接酶将黏性末端的碱基对连接起来
B.
基因探针是指用放射性同位素或荧光分子等标记的DNA分子
C.
基因治疗是把正常基因导入病人体内，使该基因的表达产物发挥功能，达到治病目的
D.
蛋白质中氨基酸序列可为合成目的基因提供资料
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参考答案：
举一反三
【判断题】Dr. Lin thinks the cause of Tim's trouble is stress.
A.
正确
B.
错误
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【单选题】______ other good students, the teacher thinks, Tim is _______ student.
A.
Compared with; a most satisfied
B.
Compared to; the most satisfied
C.
Comparing to ; the more satisfying
D.
Compared with ; a more satisfying
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【简答题】Tim thinks far, and his father thinks farther, and his grandfather thinks more farther of all.
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【单选题】当x趋近于零时, 的极限是()
A.
3
B.
2
C.
1
D.
0
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【简答题】Tim White thinks that the student's behavior is unacceptable.
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【判断题】Tim thinks that to become rich, you just need a good idea.
A.
正确
B.
错误
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【单选题】下列有关函数的极限的描述,错误的是:
A.
函数的极限是指函数的变化趋势，它与自变量的变化过程有关
B.
函数的极限就是函数的特殊值
C.
当x->1时，函数sinx 无限接近于sin1
D.
分段函数的极限值要分析它的左右极限问题
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【单选题】(提示:先思考当x趋近于无穷时,单独看函数 的极限是多少)
A.
1
B.
2
C.
3
D.
0
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【简答题】Tim doesn't like playing chess. He thinks it is __________(boring).
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【单选题】Tim doesn't like playing chess. He thinks it is ________ .
A.
well
B.
boring
C.
hate
D.
many
查看完整题目与答案
相关题目：
【判断题】Dr. Lin thinks the cause of Tim's trouble is stress.
A.
正确
B.
错误
查看完整题目与答案
【单选题】______ other good students, the teacher thinks, Tim is _______ student.
A.
Compared with; a most satisfied
B.
Compared to; the most satisfied
C.
Comparing to ; the more satisfying
D.
Compared with ; a more satisfying
查看完整题目与答案
【简答题】Tim thinks far, and his father thinks farther, and his grandfather thinks more farther of all.
查看完整题目与答案
【单选题】当x趋近于零时, 的极限是()
A.
3
B.
2
C.
1
D.
0
查看完整题目与答案
【简答题】Tim White thinks that the student's behavior is unacceptable.
查看完整题目与答案
【判断题】Tim thinks that to become rich, you just need a good idea.
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列有关函数的极限的描述,错误的是:
A.
函数的极限是指函数的变化趋势，它与自变量的变化过程有关
B.
函数的极限就是函数的特殊值
C.
当x->1时，函数sinx 无限接近于sin1
D.
分段函数的极限值要分析它的左右极限问题
查看完整题目与答案
【单选题】(提示:先思考当x趋近于无穷时,单独看函数 的极限是多少)
A.
1
B.
2
C.
3
D.
0
查看完整题目与答案
【简答题】Tim doesn't like playing chess. He thinks it is __________(boring).
查看完整题目与答案
【单选题】Tim doesn't like playing chess. He thinks it is ________ .
A.
well
B.
boring
C.
hate
D.
many
查看完整题目与答案
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