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【单选题】
关于调节蛋白对基因表达调控,下列叙述哪项正确?( )
A.
抑制结构基因表达
B.
促进结构基因表达
C.
一种调节蛋白作用于多个操纵子
D.
必须先变构,发挥调节作用
E.
一定要与其他小分子物质结合,才能有作用
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【多选题】下列海关监管起止时间描述正确的是（ ）
A.
一般进口货物，自货物进境之时起至海关放行时止
B.
暂时进境货物，自货物进境时起至货物复运出境并销案止
C.
特定减免税货物，自货物进境之时起至海关监管年限届满或办结相关海关手续止
D.
保税加工进口货物，，自货物进境之时起至加工成品复运出境并核销时止
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【判断题】单元主题活动设计得越精密越好。()
A.
正确
B.
错误
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【单选题】听力原文：M: I wish i could be the person driving that new Cadillac instead of Barbara. W: Well, if you would budget your money more carefully, this wouldn't be a problem. Q: How does the woman feel about ...
A.
She thinks that he should plan his money more carefully.
B.
She thinks that he should buy a convertible.
C.
She thinks that he should ask Barbara for advice.
D.
She wants him to manage her money
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【单选题】听力原文：M: I wish I could be the person driving that new Cadillac instead of Barbara. W: Well, if you would budget your money more carefully, this wouldn't be a problem. Q: How does the woman feel about ...
A.
She thinks that he should plan his money more carefully.
B.
She thinks that he should buy a convertible.
C.
She thinks that he should ask Barbara for advice.
D.
She wants him to manage her money.
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【单选题】I wish I could be ________so that I could be able to sneak around and see things I would not normally be able to see.
A.
inaccurate
B.
inefficient
C.
ineffective
D.
invisible
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【判断题】Sometimes I wish I be living in a different time and a different place.
A.
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B.
错误
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【简答题】在编写80C51单片机中断程序时,入栈指令用PUSH,则出栈指令用( )。
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相关题目：
【简答题】简述单元主题活动设计的步骤。
查看完整题目与答案
【多选题】下列海关监管起止时间描述正确的是（ ）
A.
一般进口货物，自货物进境之时起至海关放行时止
B.
暂时进境货物，自货物进境时起至货物复运出境并销案止
C.
特定减免税货物，自货物进境之时起至海关监管年限届满或办结相关海关手续止
D.
保税加工进口货物，，自货物进境之时起至加工成品复运出境并核销时止
查看完整题目与答案
【判断题】单元主题活动设计得越精密越好。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: I wish i could be the person driving that new Cadillac instead of Barbara. W: Well, if you would budget your money more carefully, this wouldn't be a problem. Q: How does the woman feel about ...
A.
She thinks that he should plan his money more carefully.
B.
She thinks that he should buy a convertible.
C.
She thinks that he should ask Barbara for advice.
D.
She wants him to manage her money
查看完整题目与答案
【单选题】听力原文：M: I wish I could be the person driving that new Cadillac instead of Barbara. W: Well, if you would budget your money more carefully, this wouldn't be a problem. Q: How does the woman feel about ...
A.
She thinks that he should plan his money more carefully.
B.
She thinks that he should buy a convertible.
C.
She thinks that he should ask Barbara for advice.
D.
She wants him to manage her money.
查看完整题目与答案
【单选题】I wish I could be ________so that I could be able to sneak around and see things I would not normally be able to see.
A.
inaccurate
B.
inefficient
C.
ineffective
D.
invisible
查看完整题目与答案
【判断题】帆拱 是 在方形平面的四边发券,在四个券之间砌筑以对角线为直径的穹顶,又在四个券的顶点做水平切口,水平切口和 4个发券之间的4个角上的球面三角形部分,称为帆拱。
A.
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B.
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查看完整题目与答案
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查看完整题目与答案
【判断题】Sometimes I wish I be living in a different time and a different place.
A.
正确
B.
错误
查看完整题目与答案
【简答题】在编写80C51单片机中断程序时,入栈指令用PUSH,则出栈指令用( )。
查看完整题目与答案